MSK Flashcards
Multiple phalangeal well defined lucencies (cystic) and multiple vascular soft tissue nodules/masses with calcifications are seen in?
Maffucci syndrome
Small tarsal navicular bone with fragmentations and increased radiodensity in a pediatric patient is seen in
Kohler Disease
This manifests as multiple linear bands of sclerosis parallel to the long axis of the bone.
Voorhoeve disease
Normal value for Bohler angle and critical angle of Gissane (degrees) for calcaneal fracture assessment
20-40 and 120-140
Eponym for intra articular fracture of the radial styloid process
Hutchinson/Chauffer fracture
Meniscofemoral ligament that extends from the medial femoral condyle, passes in front of the posterior cruciate ligament, and attaches to the posterior horn of the lateral meniscus.
Ligament of Humphrey
Mucopolysaccaridose characterized by abnormal storage and excretion in the urine of KERATIN SULPHATE
Morquio syndrome
TRUE of pyknodystosis EXCEPT:
A. Other name is Toulouse-Lautre syndrome.
B. Pathognomonic lesion is acro-osteolysis.
C. Resorption of distal phalanx (tuft).
D. Appears as a blunted chalk.
D. Appears as a blunted chalk.
Triad of degenerative joint disease
Joint space narrowing
Sclerosis of the apposing margins
Marginal osteophyte formation
ILIOPECTINEAL LINE THICKENING in radiographs are seen in what disease entity?
Paget Disease
Part of the pes anserinus:
Sartorius tendon
Gracilis tendon
Semitendinosus tendon
Borders of the quadrilateral space
Teres minor
Teres major
Long head of the triceps
Diaphysis of the humerus
In an enlarged densely radio-opaque vertebra (ivory) vertebra. The most likely diagnosis is
Paget Disease
Differential diagnosis for pseudopermeative lesions
Aggressive osteoporosis
Hemangioma
Radiation
Most common cause of osteomalacia
Renal osteodystrophy
Most common carpal bone associated with avascular necrosis
Lunate
Most common location of osteochondritis dessicans
medial epicondyle of the knee
Most common location of meniscocapsular separation
site of MCL
Most common skeletal dysplasia
Achondroplasia
Most common cause of dwarfism
Achondroplasia
Most commonly injured ankle ligament
anterior talofibular ligament
Most frequently encountered bone abnormality in MRI.
Contusion
First sign of rheumatoid arthritis?
Soft tissue swelling
The characteristic pencil-in-cup deformity of the distal phalanx is seen in what seronegative spondyloarthropathy
Psoriasis
The following statements are true regarding synovial chondromatosis, EXCEPT?
Primary form resembles PVNS on radiographs.
Secondary form is believed to be from trauma, with shedding of articular cartilage to the joint.
Multiple calcified loose bodies is virtually pathognomonic.
MRI shows synovial hypertrophy with hemosiderin deposits.
MRI shows synovial hypertrophy with hemosiderin deposits.
Which statement is FALSE regarding pigmented villonodular synovitis.
A. Frequently calcifies.
B. Also called giant cell tumor of tendon sheath.
C. May affect any joint, bursa or tendon sheath.
D. MRI is virtually pathognomonic with synovial hypertrophy and hemosiderin.
A. Frequently calcifies.
Most common involved joint in hemophilia?
Knee
Disease with keratoconjunctivitis sicca, xerostomia and rheumatoid arthritis?
Sjogren’s Disease
Diaphyseal and metaphyseal vessels DO NOT perforate the open growth plate in:
Children
Diaphyseal and metaphyseal vessels MAY perforate the open growth plate in
Infant
Characterized by an Erlenmeyer flask deformity?
Fibrous dysplasia
Osteopetrosis
Niemann-Pick disease
What are the radiologic signs of activity in chronic osteomyelitis
Periostitis
Poorly defined areas of osteolysis
Changes from prior X-ray
What is the most common site of neonatal septic arthropathy
Hip
Phemister’s triad of TB arthropathy
- Marginal erosions
- Absent / mild joint space narrowing
- Regional / juxta-articular osteoporosis
What is/are the most common joint/s affected in TB arthropathy?
Hip
Knee
What is the most frequent intramedullary spinal cord tumor in adults?
Ependymoma
What tumor produces focal enlargement and, occasionally, an exophytic growth involving the
cord?
Astrocytoma
Characteristic arthritis of REITER’S Syndrome EXCEPT:
a. Involvement of the synovial joint, entheses, and symphyses.
b. Predilection to small joints of the foot, calcaneus, ankle, knee, and sacroiliac joints.
c. Bone erosion w/ adjacent proliferation
d. Paravertebral ossification
e. None of the above
None of the above
Ivory vertebra is seen in the following except:
A. Lymphoma
B. Infection
C. Mets
D. Paget Dse.
E. None of the above
None of the above
Mnemonic: LIMPH
L ymphoma
I nfection
M ets & Myelosclerosis
P aget Dse.
H emangioma
Assoc w/ RA:
Urethritis + arthritis+ conjunctivitis
Reiter Syndrome
Assoc w/ RA:
RA+ splenomegaly + leukopenia
Felty Syndrome
Assoc w/ RA:
Keratoconjunctivitis + xerostomia + connective tissue disesad
Sjogren Sydrome
Assoc w/ RA:
RA + pneumoconiosis
Caplan Syndrome
Young, MULTIparous
Osteitis condensans ilii (pubic instability)
- benign sclerosis of the ilium adjacent to the sacroiliac (SI) joint, typically bilateral and triangular in shape.
- BILATERAL, SYMMETRICAL
Pseudogout Triad:
Pain
Chondrocalcinosis
Joint destruction
Most serious stress fracture and rarest
Femoral neck fracture
RA + splenomegaly + leukopenia
FELTY SYNDROME
Urethritis +ARTHRITIS+ conjuctivitis
REITER SYNDROME
