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Most common....
Most common associations - USMLE review
Question | Answer |
---|---|
Bacteremia/pneumonia (IVDA) | S. aureus |
Bacteria associated with cancer | H. pylori |
Bacterua found in GI tract | Bacteroides (E coli second most common) |
Brain tumor (adult) | Mets > astrocytoma (including GBM) > meningioma > schwannoma |
Infratentorial brain tumor (kids) | Medulloblastoma (cerebellum) |
Supratentorial brain tumor (kids) | Craniopharyngioma |
Breast cancer | Infiltrating ductal carcinoma (1 in 9 US women will get it) |
Breast mass (premenopausal) | Fibrocystic change |
Breast mass (postmenopausal) | Carcinoma |
Breast tumor (benign) | Fibroadenoma |
Bug in debilitated, hospitalized pneumonia pt | Klebsiella |
Primary cardiac tumor (adults) | Myxoma (4:1 left to right atrium; "ball and valve") |
Primary cardiac tumor (kids) | Rhabdomyoma |
Cardiac tumor (adults) | Mets |
Cardiomyopathy | Dilated cardiomyopathy |
Chromosomal disorder | Down syndrome |
Chronic arrythmia | Atrial fibrillation (high risk of emboli) |
Congenital cardiac anomaly | VSD |
Constrictive pericarditis | TB |
Coronary artery involved in thrombosis | LAD > RCA > LCA |
Early cyanosis | Tetrology of Fallot, transposition of great vessels, truncus arteriosis |
Late cyanosis | VSD, ASD, PDA (close with indomethacin; open with misoprostol) |
Demyelinating disease | Multiple sclerosis |
Dietary deficiency | Iron |
Epiglottitis | H. influenzae type B |
Esophageal cancer | Squamous cell carcinoma |
Gene involved in cancer | p53 tumor suppressor gene |
Group affected by cystic fibrosis | Caucasians |
Gynecologic malignancy | Endometrial carcinoma |
Heart murmur | Mitral valve prolapse |
Heart valve affected in baterial endocarditis | Mitral |
Heart valve affected in baterial endocarditis in IVDA | Tricuspid |
Heart valve in rheumatic fever | Mitral (aortic 2nd) |
Helminth infection (in US) | Enterobius vermicularis (Ascaris lumbricoides is 2nd) |
Hereditary bleeding disorder | von Willebrand's |
Kidney stones | Calcium (ammonium is 2nd) |
Liver disease | Alcoholic liver disease |
Location of brain tumors (adult) | Supratentorial |
Location of brain tumors (kids) | Infratentorial |
Lysosomal storage disease | Gaucher's disease |
Male cancer | Prostatic carcinoma |
Malignancy associated with noninfectious fever | Hodkin's lymphoma |
Malignant skin tumor | Basal cell carcinoma |
Mets to bone | Breast, lung, thyroid, testes, prostate, kidney |
Mets to brain | Lung, breast, skin (melanoma), kidney (renal cell carcinoma), GI |
Mets to liver | Colon, gastric, pancreatic, breast, and lung carcinomas |
Motor neuron disease | ALS |
Neoplasm (kids) | ALL (cerebellar medulloblastoma is 2nd) |
Nephrotic syndrome | Membranous glomerulonephritis |
Obstruction of male urinary tract | BPH |
Opportunistic infection in AIDS | Pneumocystis carinii pneumonia |
Organ receiving mets | Adrenal glands (due to rich blood supply), Liver 2nd |
Orgran sending mets | Lung > breast, stomach |
Benign ovarian tumor | Serous cystadenoma |
Malignant ovarian tumor | Serous cystadenocarcinoma |
Pancreatic tumor | Adenocarcinoma (head of pancreas) |
ALL pt | Child |
CLL pt | Adult >60yrs |
AML pt | Adult >60yrs |
CML pt | Adult 35-50 yrs |
Hodkin's lymphoma pt | Young male (female in nodular sclerosis type) |
Minimal change pt | Young child |
Reiter's pt | Male |
Pituitary tumor | Prolactinoma |
Preventable cancer | Lung cancer |
Primary bone tumor (adult) | Multiple myeloma |
Primary hyperparathyroidism | Adenomas |
Primary liver tumor | Hepatoma |
Renal tumor | Renal cell carcinoma |
Secondary hyperparathyroidism | Hypocalcemia of chronic renal failure |
STD | Chlamydia |
Site of diverticula | Sigmoid colon |
Site of metastasis | Regional lymph nodes |
Sites of atherosclerosis | Abdominal aorta > coronary > popliteal > carotid |
Skin cancer | Basal cell carcinoma |
Stomach cancer | Adenocarcinoma |
Testicular tumor | Seminoma |
Thyroid cancer | Papillary carcinoma |
Tracheoesophageal fistula | Lower esophagus (upper esophagus is blind pouch) |
Tumor in men | Prostate carcinoma |
Tumor in women | Leiomyoma (estrogen dependent) |
Tumor of infancy | Hemangioma |
Tumor of adrenal medulla (adults) | Pheochromocytoma (benign) |
Tumor of adrenal medulla (kids) | Neuroblastoma (malignant) |
Type of Hodkin's | Nodular sclerotic (vs. miced cellularity, lymphocytic predominance, lymphocytic depletion) |
Type of non-Hodkin's | Follicular, small cleaved |
Vasculitis | Temporal ateritis (risk of ipsilateral blindness due to thrombosis of opthalmic artery) |
Viral encephalitis | HSV |
Vitamin deficiency (in US) | Folic acid (body only stores 3-4 months supply; pregnant women at high risk) |