Infection I & II Flashcards
Osteomyelitis on MR T1-weighted spin-echo image intensity produces a:
a. low signal
b. high signal
c. variable signal
d. intermediate signal
a. low signal
Which of the following vascular anatomic description is characteristic for children over 1 year old?
a. There is no vascular connection between the epiphysis and the metaphysis.
b. A vascular connection between the metaphysis and epiphysis exists.
c. The vascular supply of the epiphysis originates in the metaphysis.
d. The vascular supply of the epiphysis originates in the growth plate.
a. There is no vascular connection between the epiphysis and the metaphysis.
Radiolucent linear or netlike collections seen on radiographs within the subcutaneous or muscular tissues should warrant further investigation for…
a. Tuberculosis
b. Syphilis
c. Gas gangrene
d. Pasteurella infections
c. Gas gangrene
The presence of pustulosis palmaris, sternoclavicular hyperostosis and recurrent osteomyelitis in a child should warrant further investigation to rule out…
a. Chronic granulomatous disease
b. SAPHO syndrome
c. Sacoidosis
d. Carinoid tumor
b. SAPHO syndrome
Osteomyelitis leading to destruction of the distal tuft and diaphysis of the terminal phylanx with relative sparing of the phalangeal base is a possible complication seen with…
a. a melon
b. a pelon
c. a felon
d. belon
c. a felon
The direction of contamination in hematogenous osteomyelitis is
a. from the soft tissue inward toward the bone
b. from the bone outward into soft tissue
c. from the growth plate into the diaphysis
d. from the spinal canal to the bone
b. from the bone outward into soft tissue
The term sinus tract refers to:
a. An opening in the involucrum, through which pus may be discharged outside the bone
b. An opening between the skin surface and the bone
c. An opening between an infected epiphysis and an adjacent synovial joint.
d. A segment of necrotic bone that is separated from living bone by granulation tissue
b. an opening between the skin surface and the bone
Which of the following clinical presentation of hematogenously spread osteomyelitis is true?
a. Childhood osteomyelitis is always associated with sudden onset of high fever, a toxic state, and local signs of inflammation.
b. As many 50% of children with osteomyelitis have vague complaints, including local pain of 1 to 3 months’ duration with minimal if any temperature elevation.
c. In the infant, hematogenous osteomyelitis often leads to very dramatic findings, including pain, swelling, high-grade fever, nausea, unwillingness to move the affected bones and loss of consciousness.
d. The adult form of hematogenous osteomyelitis usually has a rapid onset with a relatively short period between the appearance of symptoms and signs and accurate diagnosis.
b. As many 50% of children with osteomyelitis have vague complaints, including local pain of 1 to 3 months’ duration with minimal if any temperature elevation.
The breakdown of soft tissue that occurs in debilitated persons who maintain a single position for long periods is referred to as a
a. callus
b. pelvic sequestrum
c. decubitus ulcer
d. none of the above
b. pelvic sequestrum
In the young patient population (infants and children), hematogenous osteomyelitis more commonly affects which of the following bones?
a. skull
b. spine
c. long bones of the extremities
d. short tubular of the extremities
c. long bones of the extremities
A slowly progressive vertebral destruction with preservation of intervertebral discs, subligamentous spread of infection with erosion of anterior vertebral margins, large and calcified soft tissue abscesses, and the absence of severe bony eburnation are the radiographic signs associated with:
a. pyogenic spondylitis
b. suppurative spondylitis
c. tuberculous spondylitis
d. staphylococcal spondylitis
c. tuberculous spondylitis
The term osteomyelitis refers to:
a. infection of the cortical bone
b. infection of the marrow
c. infection of the bone and marrow
d. infection of the bone and adjacent soft tissues
c. infection of the bone and marrow
Spontaneous atlantoaxial subluxation that accompanies inflammation of neighboring soft tissues (rhinopharyngitis) seen mainly in children is termed?
a. Grisel’s syndrome
b. Jones’ syndrome
c. McGreggor’s syndrome
d. Julius’ syndrome
a. Grisel’s syndrome
Staphylococcus aureus, group B streptococcus, and Escherichia coli are the bone isolates recovered most frequently in osteomyelitis affecting which of the following age group?
a. Neonate or infant
b. Children over the age of 1 year and less than 4 years
c. Children older than 4 years
d. Teenagers
a. Neonate or infant
Human infection with animal exposure, bites, or scratches is associated with:
a. Brucella
b. Yersinia
c. Pasteurella
d. Klesiella
c. Pasteurella
Brodie’s abscess are found more commonly in children, typically in boys and particularly in the
a. femur
b. tibia
c. radius
d. humerus
b. tibia
Which of the following is true regarding childhood discitis?
a. Hematogenous contamination of the discal tissue is possible.
b. When positive, blood or bone biopsy culture most typically reveals Mycobacterium tuberculosis.
c. Radiographic changes are the most frequent in the cervical spine.
d. Intervertebral disc space narrowing is seen radiographically after the erosion of the subchondral bone plate and osseous eburnation.
a. Hematogenous contamination of the discal tissue is possible.
A sharply delineated focus of active/subacute infection usually surrounded by eburnated bone is termed?
a. Sclerosing osteomyelitis of Garre
b. Chronic recurrent ostemyelitis
c. Bone abscess (Brodie’s abscess)
d. Acute infective hyperostosis
c. Bone abscess (Brodie’s abscess)
Because of the anatomic arrangement of the ___ joint, osteomyelitis localized to the metaphysis can enter the joint by extending laterally without violating the growth plate.
a. ankle
b. knee
c. hip
d. elbow
c. hip
Pott’s puffy tumor refers to…
a. An indolent soft tissue swelling of the scalp that is due to osteoyelitis of frontal bone
b. An osteomyelitis of the maxillary bone resulting from maxillary sinusitis
c. An expansile focus of tuberculous osteomyelitis of the spine
d. Both a and b are correct
a. An indolent soft tissue swelling of the scalp that is due to osteomyelitis of frontal bone
The radiographic latent period for spinal osteomyelitis/spondylodiscitis is approximately
a. 3 days
b. 3 weeks
c. 3 months
d. 3 years
b. 3 weeks
The term infective (suppurative) osteitis refers to:
a. infection of the cortical bone
b. infection of the marrow
c. infection of the bone and marrow
d. infection of the bone and adjacent soft tissues
a. infection of the cortical bone
The most common joints affected by septic arthritis in infants, children and adults are…
a. knee and hip
b. ankle and knee
c. hip and shoulder
d. knee and shoulder
a. knee and hip
Sequential contamination of the tendon sheath of the fifth finger, ulnar bursa, radial bursa, and first finger produces…
a. The devil sign
b. The U or V sign of Pimenti
c. The horseshoe abscess
d. The common flexor sign
c. The horseshoe abscess
The presence of gas in the soft tissues of the foot can be due any of the following agents but one. Which of the following agent does not produce gas as an end result of its metabolic activity?
a. Clostridium perfringens
b. Escherichia coli
c. Staphylococcus aureus
d. Klebsiella pneumoniae
c. Staphylococcus aureus
Subperiosteal abscess formation, extensive periostitis, and involucrum formation are relatively usual manifestations of osteomyelitis in which of the following age group?
a. Infants
b. Children
c. Adults
d. People over 200 years old
c. Adults
Radiographic signs of activity in chronic osteomyelitis:
a. thin, linear periostitis
b. sequestration
c. poorly defined areas of osteolysis
d. all of the above
d. all of the above
In patients with sickle cell disease, what organism is seen with higher incidence over the general populace?
a. Klebsiella
b. Salmonella
c. Shigella
d. Pseudomonas
b. Salmonella
The term involucrum refers to:
a. A fractured bony fragment displaced away from its parent bone caused by osteomyelitis.
b. A layer of living bone that has formed around the dead bone.
c. An opening between the skin surface and the bone.
d. A segment of necrotic bone that is separated from living bone by granulation tissue.
b. A layer of living bone that has formed around the dead bone.
The clinical presentation of vascular insufficiency, neurologic deficit, soft tissue swelling and mottled osteolysis of the foot should warrant an investigation to rule out…
a. Hypertrophic osteoarthropathy
b. Acral metastasis
c. Diabetes mellitus
d. Psoriatic arthritis
c. Diabetes mellitus
Staphylococcus aureus, Streptococcus pyogenes, and Haemophilus influenzae are responsible for most cases of hematogenous osteomyelitis in which of the following age group?
a. Neonate or infant
b. Children over the age of 1 year old and less than 4 years
c. Children older than 4 years
d. Teenagers
b. Children over the age of 1 year old and less than 4 years
Which of the following is not commonly seen in tuberculous arthritis?
a. soft tissue swelling
b. osteoporosis
c. fast progression
d. late joint space loss
c. fast progression
An increase in the medial joint space of the hip by over 2 mm compared with the contralateral side and/or a joint space measuring more than 11 mm is known radiographically as…
a. Turret’s sign
b. Obturator sign
c. Waldenstrom’s sign
d. Gluteus medius sign
c. Waldenstrom’s sign
Muscle enlargement, abscesses, subcutaneous edema and hard, “woody” induration of the overlying skin are characteristic of…
a. pyomyositis
b. necrotizing fasciitis
c. cellulitis
d. tenosynovitis
a. pyomyositis
A sclerotic non-purulent form of osteomyelitis characterized by intense proliferation of the periosteum leading to bony deposition is termed?
a. sclerosing osteomyelitis of Garre
b. chronic recurrent non-suppurative osteomyelitis
c. bone abscess (Brodie’s abscess)
d. acute non-infective hyperostosis
a. sclerosing osteomyelitis of Garre
The combination of rapid loss of intervertebral disc height and adjacent lysis of bone is most suggestive of…
a. metastatic disease
b. multiple myeloma
c. infective spondylitis
d. osteoporosis
c. infective spondylitis
Cutaneous, sinus, and dental infections are three important sources for which of the following contamination route?
a. hematogenous
b. spread from a contiguous source
c. occasional contamination
d. direct implantation
b. spread from a contiguous source
A metaphyseal infection of the proximal portion of the humerus spreading through the adjacent cortex can contaminate the glenohumeral joint by extending along the tendon of the…
a. Supraspinatus
b. Infraspinatus
c. Subscapularis
d. Long head of the biceps
d. Long head of the biceps
Septic arthritis is more commonly…
a. a polyarticular condition
b. a monoarticular condition
c. a sexually transmitted condition
d. a disease of the sexually inactive
b. a monoarticular condition
Expansile tuberculous dactylitis has also been termed…
a. hand-foot syndrome
b. sausage digit
c. spina ventosa
d. scrofula
c. spina ventosa
Sacroiliac joint infections are usually…
a. bilateral and symmetric
b. bilateral and asymmetric
c. unilateral
d. Both a and b are correct
c. unilateral
Hematogenous ostemyelitis of children over 1 year old is encountered more frequently in which of the following portion of a bone?
a. epiphysis
b. metaphysis
c. diaphysis
d. both a and b are equal in frequency
b. metaphysis
During a magnetic resonance imaging scan with gadolinium contrast performed on a patient suspected to have ostemyelitis, the presence of a ring enhancing lesion of high signal intensity on T1-weighted images with a low signal center most likely represents a/an…
a. sequestrum
b. involucrum
c. cloaca
d. abscess
d. abscess
Acute inflammatory process of the deeper subcutaneous tissues resulting generally from a streptococcal or, less commonly, a staphylococcal infection, leading to pain or tenderness, redness, swelling, warmth, and mild to moderate fever is known as…
a. pyomyositis
b. necrotizing fasciitis
c. cellulitis
d. tenosynovitis
c. cellulitis
Septic spondylitis most typically involves the
a. cervical spine
b. thoracic spine
c. lumbar spine
d. sacroiliac joints
c. lumbar spine
When septic arthritis is considered in a differential diagonsis, which following diagnostic procedure should be recommended?
a. joint aspiration with subsequent culture
b. bone scintigraphy
c. conventional tomography
d. computerized tomography
a. joint aspiration with subsequent culture
Paronychia is…
a. an infection of the hair bed
b. a loculated abscess of the dermal portion of the skin
c. a subcuticular abscess of the nail fold
d. an inflected mole
c. subcuticular abscesses of the nail fold
When performing a scintigraphic evaluation for the presence of osteomyelitis, the advantage of the agent 67 Ga-citrate over 99 mm Tc-methylene diphosphonate is
a. It is sensitive to osteoblastic activity
b. It binds with leukocytes
c. It is dependent on the increased localized blood flow
d. It is cheaper to use
b. It binds with leukocytes
The term cloaca refers to:
a. an opening in the involucrum, through which pus may discharged outside the bone
b. an opening between the skin surface and the bone
c. an opening between an infected epiphysis and an adjacent synovial joint
d. a layer of living bone that has formed around the dead bone
a. an opening in the involucrum, through which pus may discharged outside the bone
The term sequestrum refers to:
a. A fractured bony fragment displaced away its parent bone caused by osteomyelitis
b. A layer of living bone that has formed around the dead bone
c. A connection between two infected organs
d. A segment of necrotic bone that is separated from living by granulation tissue
d. A segment of necrotic bone that is separated from living by granulation tissue
The presence periarticular osteoporosis, marginal joint erosions and slow progressive joint space loss is know as…
a. Ritter’s triad
b. Phemister’s triad
c. Webster’s triad
d. Foley’s triad
b. Phemister’s triad
Which of the following does not represent a contamination route for osteomyelitis?
a. Hematogenous
b. Spread from a continguous source
c. Occasional contamination
d. Direct implantation
c. Occasional contamination
Which of the following is false about septic arthritis?
a. Rapid destruction of bone and cartilage is characteristic of bacterial arthritis
b. In tuberculous arthritis, marginal osseous erosions with preservation of joint space and periarticular osteoporosis can be prominent.
c. Osseous erosions at the edges of the joint related to the effects of diseased synovium on bone, lead to marginal defects that are similar in appearance and location to those of rheumatoid arthritis.
d. Bony ankylosis of the joint is not characteristic of late-stage chronic pyogenic arthritis.
d. Bony ankylosis of the joint is not characteristic of late-stage chronic pyogenic arthritis.
Which of the following choices does not represent a possible complication of osteomyelitis?
a. Growth disturbances
b. Neoplasms
c. Amyloidosis
d. All of the above are possible complications
d. All of the above are possible complications
The ulcerative channel and malignant transformation found with chronic osteomyelitis is referred to as a(n)
a. Phemisters pathway
b. cloaca
c. Marjolin’s ulcer
d. sinus tract
c. Marjolin’s ulcer
Which of the following joints is less likely to be affected by septic arthritis in the drug abuser?
a. sacroiliac
b. sternoclavicular
c. acromioclavicular
d. ankle
a. ankle
A cortical abscess can be radiographically visualized as a lucent lesion with surrounding sclerosis and periostitis. This appearance can stimulate which of the following conditions?
a. Osteoid osteoma
b. Stress fracture
c. non-ossifying fibroma
d. Both a and b are correct
d. Both a and b are correct
Vascular patterns of hematogenous infection in tubular bones of a child typically involve(s) the
a. epiphysis and metaphysis
b. epiphysis
c. diaphysis and metaphysis
d. none of the above
c. diaphysis and metaphysis
The sudden onset of lower limb paraplegia in spinal tuberculosis is referred to as
a. Pott’s paraplegia
b. Saunder’s paraplegia
c. Phemister’s paraplegia
d. Waldenstrom’s paraplegia
a. Pott’s paraplegia
The most common joints affected by skeletal tuberculosis are…
a. The spine, ankle, shoulder
b. The spine, hip, knee
c. The shoulder, ankle, knee
d. The wrist, hip, knee
b. The spine, hip, knee
A 9 year old afebrile male presents to a clinic with right leg pain of 2 months duration with no prior history of trauma. Conventional radiographs demonstrated a radiolucent metaphyseal focus of the right distal femur, associated soft tissue swelling and no periosteal reaction. Which diagnosis does this presentation suggest?
A. Brodie’s abscess
B. Hematogenous osteomyelitis
C. Osteosarcoma
D. Ewing sarcoma
E. Lymphoma Bone and Joint Imaging
(3rd ed.) Donald Resnick and Mark Kransdorf. (pg. 716-717)
B. Hematogenous osteomyelitis
A 9-year-old afebrile male presents with right leg pain of 2 months duration with no prior history of trauma. Conventional radiographs demonstrated a radiolucent metaphyseal focus of the right distal femur, associated soft tissue swelling, and no periosteal reaction. What advanced imaging modality is recommended for further evaluation of this region?
A. MRI
B. Computed tomography
C. Ultrasound
D. Bone Scan
E. MRA
A. MRI
A 9-year-old afebrile male presents to a clinic with right leg pain of 2 months duration with no prior history of trauma. Conventional radiographs demonstrated a radiolucent metaphyseal focus of the right distal femur, associated soft tissue swelling, and no periosteal reaction. What is the most common organism associated with this presentation?
A. Mycobacterium tuberculosis
B. Escherichia coli
C. Pseudomonas
D. Haemophilus influenzae
E. Staphylococcus aureus
Yochum TR, Rowe LJ. Yochum & Rowe’s Essentials of Skeletal Radiology. Lippincott, Williams & Wilkins. 3rd ed. 2004. (pg. 1373)
E. Staphylococcus aureus
An 11-year-old male presented with intermittent right leg pain and prior history of antibiotic treatment. Previous radiographs demonstrated a radiolucent metaphyseal focus of the right proximal tibia. Follow up studies revealed an increased area of sclerosis surrounding the lesion. These combination of findings are highly suggestive of
A. Brodie’s abscess.
B. Hematogenous osteomyelitis.
C. Osteosarcoma.
D. Ewing sarcoma.
E. Lymphoma.
Bone and Joint Imaging (3rd ed.) By Donald Resnick and Mark Kransdorf. (pg. 720)
A. Brodie’s abscess
An 11-year-old male presented with intermittent right leg pain and prior history of antibiotic treatment. Previous radiographs demonstrated a radiolucent metaphyseal focus of the right proximal tibia. Follow up studies revealed an increased area of sclerosis surrounding the lesion. Which diagnosis is this diagnosis suggestive of?
A. Brodie’s abscess
B. Hematogenous osteomyelitis
C. Osteosarcoma
D. Ewing sarcoma
E. Lymphoma
Bone and Joint Imaging (3rd ed.) By Donald Resnick and Mark Kransdorf. (pg. 720)
A. Brodie’s abscess
A patient presents to a clinic with tenderness, pain, fusiform swelling, with his second digit in a semiflexed position. The patient history revealed a puncture wound located in the flexor crease of 2nd proximal interphalangeal joint. This presentation is highly characteristic and suggestive of
A. stenosing tenosynovitis
B. septic arthritis
C. infective digital tenosynovitis
D. volkman contracture
E. floor fasciitis
Bone and Joint Imaging (3rd ed.) Donald Resnick and Mark Kransdorf. (pg. 720)
C. infective digital tenosynovitis
A conventional radiographic study of a 55-year-old diabetic female’s right foot demonstrates a loss of soft tissue over the great toe, radiolucent shadows of the surrounding soft tissues, and mottled osteolysis of the underlying phalanx. These findings are most commonly associated with which route of contamination?
A. Hematogenous spread
B. Spread from a contiguous source
C. Direct implantation
D. Postoperative infection
E. Indirect spread
Bone and Joint Imaging (3rd ed.) Donald Resnick and Mark Kransdorf. (pg. 721)
C. Direct implantation
A conventional radiographic study of a 55-year-old diabetic female right foot demonstrates loss of soft tissue over the great toe, mottled radiolucent shadows in the surrounding soft tissues, and mottled osteolysis of the underlying phalanx. These findings are most frequently associated with which causative agent?
A. Klebsiella
B. Mycobacterium tuberculosis
C. Streptococcus Pyogenes
D. MRSA
E. Pseudomonas aeroginosa
Bone and Joint Imaging (3rd ed.) Donald Resnick and Mark Kransdorf. (pg. 724) (pg. 721)
E. Pseudomonas aeroginosa
The most common cause of human bite injury is
A. a fist blow to the mouth
B. an animal bite
C. a seizure
D. self-inflicted
E. an insect bite
Bone and Joint Imaging (3rd ed.) Donald Resnick and Mark Kransdorf. (pg. 724)
A. a fist blow to the mouth
Approximately 5% of dog bites and 20-50% of cat bites become infected. The infecting organisms vary, however the most common implicating agent is
A. staph aureus
B. klebsiella
C. mycobacterium tuberculosis
D. pasteurella multocida
E. streptococcus pyogenes
Bone and Joint Imaging (3rd ed.) By Donald Resnick and Mark Kransdorf. (pg. 724)
D. pasteurella multocida
A 26 year old male presented to a chiropractic office complaining of right knee pain. Physical examination findings revealed a decrease in range of motion, erythema, an altered gait and an elevated temperature. The chiropractor orders radiographs of the involved area which demonstrated a loss of the subchondral cortical bone. This finding is commonly associated as the earliest radiographic manifestation of
A. Tom Smith arthritis
B. septic arthritis
C. osteoarthritis
D. septic tenosynovitis
E. tuberculosis
Yochum TR, Rowe LJ. Yochum and Rowe’s Essentials of Skeletal Radiology. Lippincott, Williams Wilkins. 3rd ed. 2004. (pg. 1398)
B. septic arthritis
A 26-year-old patient presents to a chiropractic office complaining of right knee pain. Physical examination findings revealed a decrease in range of motion, erythema, an altered gait and an elevated temperature. The chiropractor orders radiographs of the involved area which demonstrated a loss of the subchondral cortical bone. Laboratory investigation will most likely show
A. an increase of leukocytes.
B. a decrease in leukocytes.
C. a decrease in ESR.
D. a decrease in CRP.
E. an increase in rheumatoid factor.
Yochum TR, Rowe LJ. Yochum and Rowe’s Essentials of Skeletal Radiology. Lippincott, Williams Wilkins. 3rd ed. 2004. (pg. 1392)
A. an increase of leukocytes.
A 32-year-old patient presents to the emergency department with severe low back pain. The patient was unable to provide any clinical history. The attending emergency personnel reported methadone tablets were found on the patient. Radiographs of the lumbar spine revealed loss of the L1/L2 intervertebral disc height, endplate sclerosis, and endplate irregularities. These findings most likely represent what diagnosis?
A. Infectious Spondylodiscitis
B. Modic type I degernative changes
C. Eosinophilic granuloma
D. Schmorl nodes
E. Pott’s disease
Yochum TR, Rowe LJ. Yochum and Rowe’s Essentials of Skeletal Radiology. Lippincott, Williams and Wilkins. 3rd ed. 2004.
A. Infectious Spondylodiscitis
What specific advanced imaging protocol is recommended for the further evaluation of septic arthritis?
A. T1 weighted MRI
B. T2 weighted MRI with contrast
C. T1 weighted MRI with contrast, with or without fat suppression
D. CT
E. DEXA
Diagnosis and Bone and Joint Disorders (4th ed.) by Donald Resnick or Bone and Joint Imaging (3rd ed.) By Donald Resnick and Mark Kransdorf. (pg. 741, Table 53-8)
C. T1 weighted MRI with contrast, with or without fat suppression
Muscle spasm, ligament laxity, and synovial effusion are proposed causes related to spontaneous atlantoaxial subluxation in children most likely represents
A. Martucci Syndrome
B. Down Syndrome
C. Raynaud Syndrome
D. Grisel Syndrome
E. Klippel feil syndrome
Bone and Joint Imaging (3rd ed.) Donald Resnick and Mark Kransdorf. (pg. 743 and Fig 54-2)
D. Grisel Syndrome
A conventional radiographic study of the lumbar spine was performed on a 40-year-old male that presented with chronic low back pain. The images revealed sclerosis, vertebral body height loss and a radiolucent defect in the mid-portion of the L2 vertebrae’s inferior endplate. Advanced imaging revealed a well defined lytic process with embedded calcification and sub ligamentous involvement. These findings most likely suggest what diagnosis?
A. Infectious Spondylodiscitis
B. Modic type I degenerative changes
C. Eosinophilic granuloma
D. Schmorl nodes
E. Tuberculous spondylodiscitis
Yochum TR, Rowe LJ. Yochum & Rowe’s Essentials of Skeletal Radiology. Lippincott, Williams & Wilkins. 3rd ed. 2004. (pg. 1399)
E. Tuberculous spondylodiscitis
A 14-year-old male with prior puncture wound to his leg presented to a clinic. Radiographs revealed a geographic lytic lesion of the right tibial diaphysis, a narrow zone of transition accompanied by severe sclerosis expanding the tibial diaphysis. Substantial muscle atrophy and leg length discrepancy were also noted during physical examination. The combination of these findings suggest a(n)
A. acute process.
B. non-infectious process.
C. cloaca.
D. chronic process.
E. normal therapeutic response.
Yochum TR, Rowe LJ. Yochum & Rowe’s Essentials of Skeletal Radiology. Lippincott, Williams & Wilkins. 3rd ed. 2004. (pg. 1390)
D. chronic process.
Synovitis, acne, pustulosis, hyperostosis and osteitis (SAPHO) are well known associations of
A. an acute process.
B. a non-infectious process.
C. cloaca.
D. chronic osteomyelitis
E. a normal therapeutic response to corticosteroids.
Yochum TR, Rowe LJ. Yochum & Rowe’s Essentials of Skeletal Radiology. Lippincott, Williams & Wilkins. 3rd ed. 2004. (pg. 1390)
D. chronic osteomyelitis
The most common pathogen cultured in cases of childhood inflammatory discitis is
A. klebsiella
B. mycobacterium tuberculosis
C. streptococcus Pyogenes
D. staph aureus
E. pseudomonas aeroginosa
Yochum TR, Rowe LJ. Yochum & Rowe’s Essentials of Skeletal Radiology. Lippincott, Williams & Wilkins. 3rd ed. 2004. (pg. 1391)
D. staph aureus
What modality is recommended when further diagnostic evaluation is warranted in the proper visualization of sequestra, cortical erosions, and bony fragmentation?
A. PET scan
B. CT
C. CXR
D. MRI
E. DEXA
Yochum TR, Rowe LJ. Yochum & Rowe’s Essentials of Skeletal Radiology. Lippincott, Williams & Wilkins. 3rd ed. 2004. (pg. 1391)
B. CT
End-stage suppurative septic arthritis is characterized on radiographs by
A. fibrous ankylosis.
B. bony ankylosis.
C. cloaca.
D. joint effusion.
E. distention of fat pads.
Yochum TR, Rowe LJ. Yochum & Rowe’s Essentials of Skeletal Radiology. Lippincott, Williams & Wilkins. 3rd ed. 2004. (pg. 1392)
B. bony ankylosis.
A conventional radiographic study of a patient’s right hip demonstrates multiple radiolucent streaks in the myofascial planes about the hip and thigh. What is the most common pathogen implicated in this presentation?
A. Clostridium perfinges
B. Actinomycosis
C. Streptococcus Pyogenes
D. Salmonella
E. Pseudomonas aeroginosa
Yochum TR, Rowe LJ. Yochum & Rowe’s Essentials of Skeletal Radiology. Lippincott, Williams & Wilkins. 3rd ed. 2004. (pg. 1392)
A. Clostridium perfinges
A conventional radiographic study of a patient’s right hip demonstrates multiple radiolucent streaks within the myofascial planes of the adjacent soft tissue. What is the most common cause of this presentation near a joint?
A. Thorocentesis
B. Non-communicating wound
C. Arthrocentesis
D. Sternal biopsy
E. Immobilization
Yochum TR, Rowe LJ. Yochum & Rowe’s Essentials of Skeletal Radiology. Lippincott, Williams & Wilkins. 3rd ed. 2004.
C. Arthrocentesis
Prognosis of septic arthritis is generally excellent with early detection and intervention. What is an optional recommended treatment of choice in these cases?
A. Bony debridement
B. Bone chips
C. Cloaca.
D. Joint decompression
E. St. John’s root
Yochum TR, Rowe LJ. Yochum & Rowe’s Essentials of Skeletal Radiology. Lippincott, Williams & Wilkins. 3rd ed. 2004. (pg. 1392)
D. Joint decompression
A chiropractor has completed the examination of a 29-year-old male patient that presented with an altered gait. There is a clinical suspicion of septic arthritis. The initial plain film was normal. What modality would be recommended considering the latent period associated with radiographic findings of this nature?
A. MR arthrogram
B. CT
C. MRA
D. PET scan
E. Gallium-67 scan
Yochum TR, Rowe LJ. Yochum & Rowe’s Essentials of Skeletal Radiology. Lippincott, Williams & Wilkins. 3rd ed. 2004. (pg. 1392)
E. Gallium-67 scan
Progressive and slow joint space narrowing, juxta-articular osteoporosis, and peripheral erosive defects of articular surfaces are highly concerning for a diagnosis of?
A. Septic arthritis
B. Gouty arthritis
C. Tuberculous arthritis
D. Osteoarthritis
E. Tuberculous bursitis
Yochum TR, Rowe LJ. Yochum & Rowe’s Essentials of Skeletal Radiology. Lippincott, Williams & Wilkins. 3rd ed. 2004. (pg. 1408)
C. Tuberculous arthritis Phemister’s Triad Progressive and slow joint space narrowing, juxta-articular osteoporosis, and peripheral erosions
“Kissing sequestrum” are seen with…
A. Syphilis
B. Tuberculosis
C. Nocardiosis
D. Coccidioidomycosis
B. Tuberculosis
The most common joints affected by septic arthritis in infants, children and adults are…
A. Knee and hip
B. Ankle and knee
C. Hip and shoulder
D. Knee and shoulder
A. Knee and hip
The presence periarticular osteoporosis, marginal joint erosions and slow progressive joint space loss is known as…
A. Ritter’s triad
B. Phemister’s triad
C. Webster’s triad
D. Foley’s triad
B. Phemister’s triad
Where is hematogenous osteomyelitis encountered more frequently in adults?
A. Skull
B. Spine
C. Long bones of the extremities
D. Short tubular bones of the extremities
B. Spine
In addition to Staphylococcus aureus, which of the following agent is more likely to be involved in septic arthritis of the sternoclavicular joint in the parenteral drug abusers?
A. Haemophilus influenzae
B. Pseudomonas aeruginosa
C. Escherichia coli
D. Mycobacterium tuberculosis
B. Pseudomonas aeruginosa
Tuberculosis in long tubular bones usually originates in the?
A. Epiphysis
B. Metaphysis
C. Diaphysis
D. Two of the above
A. Epiphysis
Cellulitis…
A. Affects intravenous drug addicts
B. Is an acute inflammatory process of the epidermal cells
C. Never affects the thorax
D. Antibiotic therapy rarely improves the condition
A. Affects intravenous drug addicts
Which of the following is false concerning cystic tuberculosis?
A. It is encountered much more frequently in children than in adults.
B. These lesions usually affect the peripheral skeleton.
C. The metaphyseal region of tubular bones is favored.
D. The lesions are generally accompanied by sclerosis.
D. The lesions are generally accompanied by sclerosis.
The breakdown of soft tissue that occurs in debilitated persons who maintain a single position for long periods is referred to as a
A. Callus
B. Pelvic sequestrum
C. Decubitus ulcer
D. None of the above
C. Decubitus ulcer
Infection of the symphysis pubis can radiographically simulate…
A. CPPD
B. Osteitis pubis
C. OCI
D. Paget’s disease
B. Osteitis pubis
The visualization of a metaphyseal defect connected with the growth plate by a radiolucent tract ensures the diagnosis of…
A. Fracture
B. Pyogenic infection
C. Non-pyogenic infection
D. Aneurysmal bone cyst
B. Pyogenic infection
A sclerotic non-purulent form of osteomyelitis characterized by intense proliferation of the periosteum leading to bony deposition is termed?
A. Sclerosing osteomyelitis of Garré.
B. Chronic recurrent non-suppurative osteomyelitis.
C. Bone abscess (Brodie’s abscess).
D. Acute non-infective hyperostosis.
A. Sclerosing osteomyelitis of Garré.
Septic arthritis is more commonly…
A. A polyarticular condition
B. A monoarticular condition
C. A sexually transmitted condition
D. A disease of the sexually inactive
B. A monoarticular condition
An unusual presentation of tuberculous erosions of the humeral head
A. Weaver’s bottom
B. Caries sicca
C. Gouge defect
D. Caries humerus
B. Caries sicca
In older syphilitic children, bilateral painless effusions, especially of the knee, have been termed_ joints.
A. Brown’s
B. Poncet’s
C. Clutton’s
D. Tom Smith’s
C. Clutton’s
In which of the following age group does hematogenous osteomyelitis have a higher complication rate of growth arrest or asymmetrical growth maturation?
A. Infants
B. Children
C. Adults
D. Both b and c are correct
A. Infants
A large parrot-beak-like osteophyte has been reported as a characteristic feature of which of the following spinal infection?
A. Meningococcemia
B. Brucella
C. Klebsiella
D. Salmonella
B. Brucella
Undercooked pork or pork sushi results in infections with which organism?
A. Cysticercosis
B. Tuberculosis
C. Staph aureus
D. Pseudomonas
A. Cysticercosis
This syndrome, usually transmitted as an X-linked recessive trait, is characterized by purulent granulomatous and eczematoid skin lesions, granulomatous lymphadenitis with suppuration, hepatosplenomegaly, recurrent and persistent pneumonias, and chronic osteomyelitis; it frequently is fatal. It is know as…
A. Chronic granulomatous disease
B. SAPHO syndrome
C. Sarcoidosis
D. Carcinoid tumor
A. Chronic granulomatous disease
A cortical abscess can be radiographically visualized as a lucent lesion with surrounding sclerosis and periostitis. This appearance can simulate which of the following conditions?
A. Osteoid osteoma
B. Stress fracture
C. Non-ossifying fibroma
D. Both a and b are correct
D. Both a and b are correct
What is the primary infectious route for coccidiodomycosis?
A. Respiratory
B. Implantation
C. Gastrointestinal
D. Genitourinary
A. Respiratory
The most common neoplasm encountered in osteomyelitis is..
A. epidermoid carcinoma
B. Basal cell carcinoma
C. Plasmacytoma
D. Angiosarcoma
A. epidermoid carcinoma
Paronychia is…
A. An infection of the hair bed.
B. A loculated abscess of the dermal portion of the skin.
C. Subcuticular abscesses of the nail fol
D. An infected mole
C. A subcuticular abscesses of the nail fol
Which of the following is not a complication of septic arthritis?
A. Overgrowth of the epiphyses and apophyses
B. Epiphyseal displacement
C. Myositis ossificans surrounding the involved joint
D. Degenerative joint disease
C. Myositis ossificans surrounding the involved joint
Brodie’s abscess are found more commonly in children, typically in boys and particularly in the…
A. Femur
B. Tibia
C. Radius
D. Humerus
B. Tibia
Sacroiliac joint infections are usually…
A. Bilateral and symmetric
B. Bilateral and asymmetric
C. Unilateral
D. Both a and b are correct
C. Unilateral
The four cardinal signs of Kanavel are used to diagnose clinically…
A. Tenosynovitis of the tendon sheath of the fingers.
B. Septic arthritis of the midcarpal compartment.
C. Septic arthritis of the metacarpophalangeal joints of the fingers.
D. Septic arthritis of the proximal interphalangeal joints of the fingers
A. Tenosynovitis of the tendon sheath of the fingers