Key Associations Flashcards
Cushing’s ulcer
Acute gastric ulcer associated with CNS injury (⬆️ICP stimulates vagal gastric secretion)
Precursor to squamous cell carcinoma
Actinic (solar) keratosis
Curling’s ulcer
Acute gastric ulcer associated with severe burns (greatly reduced plasma volume results in sloughing of gastric mucosa)
Skip lesions
Alternating areas of TRANSMURAL inflammation and normal colon (Crohn’s disease)
Aneurysm, dissecting
Hypertension
Aortic aneurysm, abdominal and descending aorta
Atherosclerosis
Aortic aneurysm, arch
Tertiary syphilis (syphilitic aortitis), vasa vasorum destruction
Aortic aneurysm, ascending
Marfan’s syndrome (idiopathic cystic medial degeneration)
Atrophy of the mammillary bodies
Wernicke’s encephalopathy (thiamine deficiency causing ataxia, ophthalmoplegia, and confusion)
Autosplenectomy (fibrosis and shrinkage)
Sickle cell anemia (hemoglobin S)
Bacteria associated with gastritis, peptic ulcer disease, and stomach cancer
H. pylori
Bacterial meningitis (adults and elderly)
Streptococcus pneumoniae
Bacterial meningitis (newborns and kids)
Group B streptococcus (newborns), S. pneumoniae/Neisseria meningitidis (kids)
Spitz nevus
Benign melanocytic nevus (most common in first two decades)
Bernard-Soulier syndrome
Bleeding disorder with GpIb deficiency (defect in platelet adhesion to von Willebrand’s factor)
Brain tumor (adults)
Supratentorial: metastasis > astrocytoma (including gliobastoma multiforme) > meningioma > schwannoma
Brain tumor (kids)
Infratentorial: medulloblastoma (cerebellum)
Supratentorial: craniopharyngioma (cerebrum)
Breast cancer
Infiltrating ductal carcinoma (in the U.S., 1 in 9 women will develop breast cancer)
Breast mass
Fibrocystic change, carcinoma (in postmenopausal women)
Breast tumor (benign)
Fibroadenoma
Primary cardiac tumor (kids)
Rhabdomyoma (often seen in tuberous sclerosis)
Cardiac manifestation of lupus
Libmann-Sacks endocarditis (nonbacterial, affecting both sides of mitral valve)
Cardiac tumor (adults)
Metastasis
Most common primary cardiac tumor in adults: myxoma (4:1 left to right atrium; “ball and valve”)
Cerebellar tonsillar herniation
Chiari malformation (often presents with progressive hydrocephalus or syringomyelia)
Chronic arrhythmia
Atrial fibrillation (associated with high risk of emboli)
Chronic atrophic gastritis (autoimmune)
Predisposition to gastric carcinoma (can also cause pernicious anemia)
Clear cell adenocarcinoma of vagina
DES exposure in uterus
Compression fracture
Osteoporosis (type I: postmenopausal woman; type II: elderly man or woman)
21-hydroxylase deficiency
Congenital adrenal hyperplasia (CAH), hypotension, hyperkalemia (most common cause of CAH)
11-beta-hydroxylase
Congenital adrenal hyperplasia (CAH), hypertension, hypokalemia (2nd most common cause of CAH)
Content cardiac anomaly
VSD
Dubin-Johnson syndrome
Congenital conjugated hyperbilirubinemia (black liver) [inability of hepatocytes to secrete conjugated bilirubin into bile]
Constrictive pericarditis
Tuberculosis (developing world); systemic lupus erythematosus (developed world)
Coronary artery involved in thrombosis
LDA > RCA > LCA
Cretinism
Iodine deficiency/hypothyroidism
Cushing’s syndrome
- Iatrogenic Cushing’s (from corticosteroid therapy)
- Adrenocortical adenoma (secretes excess cortisol; Cushing’s disease)
- ACTH-secreting pituitary adenoma
- Paraneoplastic Cushing’s (due to ACTH secretion by tumors)
Cyanosis (early; less commn)
Tetralogy of Fallot, transposition of great vessels, truncus arteriosus
Cyanosis (late; more common)
VSD, ASD, PDA
Death in CML
Blast crisis
Death in SLE
Lupus nephropathy
Dementia
Alzheimer’s disease, multiple infarcts
Demyelinating disease in young women
Multiple sclerosis
DIC
Severe sepsis, obstetric complications, cancer, burns, trauma, major surgery
Dietary deficit
Iron
Diverticulitis in pharynx
Zenker’s diverticulum (diagnosed by Barium swallow)
Ejection click
Aortic/pulmonic stenosis
Esophageal cancer
Squamous cell carcinoma (worldwide); adenocarcinoma (U.S.)
Food poisoning (exotoxin mediated)
S. aureus, B. cereus
Glomerulonephritis (adults)
Berger’s disease (IgA nephropathy)
Gynecologic malignancy
Endometrial carcinoma (most common in U.S.); cervical carcinoma (most common worldwide)
Heart murmur, congenital
Mitral valve prolapse
Heart valve in bacterial endocarditis
Mitral > aortic (rheumatic fever), tricuspid (IV drug abuse)
Helminth infection (U.S.)
Enterobius vermicularis, Ascaris lumbricoides
Hematoma - epidural
Rupture of middle meningeal artery (trauma; lentiform shape)
Hematoma - subdural
Rupture of bridging veins (crescent shaped)
Hemochromatosis
Multiple blood transfusion or hereditary HFE mutation (can result in CHF, “bronze diabetes,” and ⬆️ risk of hepatocellular carcinoma)
Hepatocellular carcinoma
Cirrhotic liver (associated with hepatitis B and C and with alcoholism)
Hereditary bleeding disorder
von Willebrand’s disease
Hereditary harmless jaundice
Gilbert’s syndrome (benign congenital unconjugated hyperbilirubinemia)
HLA-B27
Ankylosing spondylitis, Reiter’s syndrome, ulcerative colitis, psoriasis
HLA-DR3 or -DR4
Diabetes mellitus type 1, rheumatoid arthritis, SLE
Holosystolic murmur
VSD, tricuspid regurgitation, mitral regurgitation
Virchow’s triad
Hypercoagulability, endothelial damage, blood stasis (results in venous thrombosis)
Hypertension, secondary
Renal disease
Hypoparathyroidism
Accidental excision during thyroidectomy
Hypopituitarism
Pituitary adenoma (usually benign tumor)
Infection secondary to blood transfusion
Hepatitis C
Infections in chronic granulomatous disease (CGD)
S. aureus, E. coli, Aspergillus (catalase positive)
Kidney stones
- Calcium = radiopaque
- Struvite (ammonium) = radiopaque (formed by urease-positive organisms such as Proteus vulgaris or Staphylococcus)
- Uric acid = radiolucent
Late cyanotic shunt
Eisenmenger’s syndrome (caused by ASD, VSD, PDA; results in pulmonary hypertension/polycythemia) [uncorrected left to right shunt becomes right to left]
Liver disease
Alcoholic cirrhosis
Lysosomal storage disease
Gaucher’s disease
Male cancer
Prostatic carcinoma
Malignancy associated with noninfectious fever
Hodgkin’s lymphoma
Malignancy (kids)
ALL, medulloblastoma (cerebellum)
Mental retardation
Down syndrome, fragile X syndrome
Metastases to bone
Prostate, breast > lung > thyroid, testes
Metastases to brain
Lung > breast > genitourinary > osteosarcoma > melanoma > GI
Metastases to liver
Colon»_space; stomach, pancreas
Mitochondrial inheritance
Disease occurs in both males and females, inherited through females only
Mitral valve stenosis
Rheumatic heart disease
Mixed (UMN and LMN) motor neuron disease
ALS (amyotrophic lateral sclerosis)
Myocarditis
Coxsackie B
Nephrotic syndrome (adults)
Focal segmental glomerulosclerosis
Nephrotic syndrome (kids)
Minimal change disease
Neuron migration failure
Kallman syndrome (hypogonadotropic hypogonadism and anosmia)
Nosocomial pneumonia
Klebsiella, E. coli, Pseudomonas aeruginosa
Obstruction of male urinary tract
BPH (benign prostatic hyperplasia)
Opening snap
Mitral stenosis
Opportunistic infection in AIDS
Pneumocystis jirovecii (formerly carinii) pneumonia
Osteomyelitis
S. aureus
Osteomyelitis in sickle cell disease
Salmonella
Osteomyelitis with IV drug use
Pseudomonas, S. aureus
Ovarian metastasis from gastric carcinoma or breast cancer
Krukenberg tumor (mucin-secreting signet ring cells)
Ovarian tumor (benign, bilateral)
Serous cystadenoma)
Ovarian tumor (malignant)
Serous cystadenocarcinoma
Pancreatitis (acute)
Gallstones, alcohol
Pancreatitis (chronic)
Alcohol (adults), cystic fibrosis (kids)
Patient with ALL/CLL/AML/CML
ALL: child
CLL: adult >60
AML: adult ~65
CML: adult 30-60
Pelvic inflammatory disease
Chlamydia trachomatis, Neisseria gonorrhoeae
Philadelphia chromosome
t(9;22) (bcr-abl)
CML (may sometimes be associated with ALL/AML)
Pituitary tumor
Prolactinoma, somatotropic “acidophilic” adenoma
Primary amenorrhea
Turner syndrome (45,XO)
Primary bone tumor (adults)
Multiple myeloma
Primary hyperaldosteronism
Adenoma of adrenal cortex
Primary hyperparathyroidism
Adenomas, hyperplasia, carcinoma
Primary liver cancer
Hepatocellular carcinoma (chronic hepatitis, cirrhosis, hemochromatosis, alpha-1-antitrypsin deficiency)
Pulmonary hypertension
COPD
Recurrent inflammation/thrombosis of small/medium vessels in extremities
Buerger’s disease (strongly associated with tobacco)
Renal tumor
Renal cell carcinoma: associated with von Hippel-Lindau and cigarette smoking; paraneoplastic syndromes (EPO, renin, PTH, ACTH)
Cor pulmonale
Right heart failure due to a pulmonary cause
S3 heart sound
Protodiastolic gallop; ⬆️ ventricular filling (left to right shunt, mitral regurgitation, LV failure [CHF])
S4 heart sound
Presystolic gallop; stiff/hypertrophic ventricle (aortic stenosis, restrictive cardiomyopathy)
Secondary hyperparathyroidism
Hypocalcemia of chronic kidney disease
Sexually transmitted disease
Chlamydia (usually coinfected with gonorrhea
SIADH
Syndrome of inappropriate anti-diuretic hormone secretion; small cell carcinoma of the lung
Site of diverticula
Sigmoid colon
Sites of atherosclerosis
Abdominal aorta > coronary artery > popliteal artery > carotid artery
Stomach cancer
Adenocarcinoma
Stomach ulcerations and high gastrin levels
Zollinger-Ellison syndrome (gastrinoma of duodenum or pancreas)
t(14;18)
Follicular lymphomas (bcl-2 activation)
t(8;14)
Burkitt’s lymphoma (c-myc activation)
t(9;22)
Philadelphia chromosome, CML (bcr-abl fusion)
Temporal arteritis
Risk of ipsilateral blindness due to thrombosis of ophthalmic artery; polymyalgia rheumatica
Testicular tumor
Seminoma
Thyroid cancer
Papillary carcinoma
Tumor in women
Leiomyoma (estrogen dependent, not precancerous)
Tumor of infancy
Hemangioma (usually regresses spontaneously by childhood)
Tumor of adrenal medulla (adults)
Pheocromocytoma (usually benign)
Tumor of adrenal medulla (kids)
Neuroblastoma (malignant)
Type of Hodgkin’s
Nodular sclerosis (vs. mixed cellularity, lymphocytic predominance, lymphocytic depletion)
Type of non-Hodgkin’s
Diffuse large cell
UTI
E. coli, Staphylococcus saprophyticus (young women)
Viral encephalitis affecting temporal lobe
HSV-1
Vitamin deficiency (U.S.)
Folate (pregnant women are at a high risk; body stores only 3-4 month supply; prevents neural tube defects)