Key Associations, USMLE Flashcards
Actinic (solar) keratosis
Precursor to squamous cell carcinoma
Acute gastric ulcer associated w/ CNS injury
Cushing ulcer (incr. intracranial pressure stimulates vagal gastric secretion)
Acute gastric ulcer associated w/ severe burns
Curling ulcer (greatly reduced plasma volume results in sloughing of gastric mucosa)
Alternating areas of transmural inflammation and normal colon
Skip lesions (Crohn disease)
Aneurysm, dissecting
Hypertension
Aortic aneurysm, abdominal and descending aorta
Atherosclerosis
Aortic aneurysm, arch
Tertiary syphilis (syphilitic aortitis), vasa vasorum destuction
Aortic aneurysm, ascending
Marfan syndrome (idiopathic cystic medial degeneration)
Atrophy of the mammillary bodies
Wernicke encephalopathy (thiamine deficiency causing ataxia, ophthalmoplegia, and confusion)
Autosplenectomy (fibrosis and shrinkage)
Sickle cell anemia (hemoglobin S)
Bacteria associated w/ gastritis, peptic ulcer disease, and stomach cancer
H. pylori
Bacterial meningitis (adults and elderly)
Streptococcus pneumoniae
Bacterial meningitis (newborns and kids)
Group B streptococcus/E. coli (newborns), S. pneumoniae/Neisseria meningitidis (kids)
Benign melanocytic nevus
Spitz nevus (most common in 1st two decades)
Bleeding disorder w/ GpIb deficiency
Bernard-Soulier syndrome (defect in platelet adhesion to von Willebrand factor)
Brain tumor (adults)
Supratentorial: metastasis > astrocytoma (including glioblastoma multiforme) > meningioma > schwannoma
Brain tumor (kids)
Infratentorial: medulloblastoma (cerebellum( or supratentorial: craniopharyngioma
Breast cancer
Infiltrating ductal carcinoma
Breast mass
Fibrocystic change, carcinoma (in postmenopausal women)
Breast tumor (benign)
Fibroadenoma
Cardiac primary tumor (kids)
Rhabdomyoma, often seen in tuberous sclerosis
Cardiac manifestation of lupus
Libman-Sacks endocarditis (nonbacterial, affecting both side of mitral valve)
Cardiac tumor (adults)
Metastasis, Primary mixoma (4:1 left to right atrium; “ball and valve”)
Cerebellar tonsilar herniation
Chiari II malformation
Chronic arrhythmia
Atrial fibrillation (associated w/ high risk of emboli)
Chronic atrophic gastritis (autoimmune)
Predisposition to gastric carcinoma (can also cause pernicious anemia)
Clear cell adenocarcinoma of the vagina
DES exposure in utero
Compression fracture
Osteoporosis (type I: postmenopausal woman; type II: elderly man or woman)
Congenital adrenal hyperplasia, hpotension
21-hydroxylase deficiency
Congenital cardiac anomaly
VSD
Congenital conjugated hyperbilirubinemia (black liver)
Dubin-Johnson syndrome (inability of hepatocytes to secrete conjugated bilirubin into bile)
Constrictive pericarditis
TB (developing world); SLE (developed world)
Coronary artery involved in thrombosis
LAD > RCA > LCA
Cretinism
Iodine deficit/hypothyroidism
Cushing syndrome
Iatrogenic Cushing (from corticosteroid therapy);
Cyanosis (early; less common)
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 disease, multiple infarcts
Demyelinating disease in young women
Multiple sclerosis
DIC
Severe sepsis, obstetric complications, cancer, burns, trauma, major surgery
Dietary deficit
Iron
Diverticulum in pharynx
Zenker diverticulum (diagnosed by barium swallow)
Ejection click
Aortic/pulmonic stenosis
Esophageal cancer
Squamous cell carcinoma (worldwide); adenocarcinoma (US)
Food poisoning (exotoxin mediated)
S. aureus, B. cereus
Glomerulonephritis (adults)
Berger disease (IgA nephropathy)
Gynecologic malignancy
Endometrial carcinoma (most common in US); 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 infections (US)
Enterobius vermicularis, Ascaris lumbricoides
Hematoma - epidural
Rupture of middle meningeal artery (trauma; lentiform shaped)