Key Associations Flashcards
Most important associations for disease/findings
Actinic (solar) keratosis
Precursor to squamous cell carcinoma
Acute gastric ulcer associated with CNS injury
Cushing’s ulcer (increased ICP stimulates vagal gastric secretion)
Acute gastric ulcer associated with severe burns
Curling’s ulcer (greatly reduced plasma volume results in sloughing of gastric mucosa)
Alternating areas of transmural inflammation and normal colon
Skip lesions (Crohn’s disease)
Aneurysm, dissecting
Hypertension
Aortic aneurysm, ascending
Marfan’s syndrome (idiopathic cystic medial degeneration)
Atrophy of the mamillary bodies
Wernicke’s encephalopathy (thiamine deficiency causing ataxia, ophthalmoplegia, and confusion)
Autosplenectomy (fibrosis and shrinkage)
Sickle cell anemia (HbS)
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)
Benign melanocytic nevus
Spitz nevus (most common in first two decades)
Bleeding disorder with GpIb deficiency
Bernard-Soulier disease (defect in platelet adhesion to von Willebrand’s factor)
Brain tumor (adults)
Supratentorial: mets>astrocytoma (including GBM)>meningioma>schwannoma
Brain tumor (kids)
Infratentorial: medulloblastoma (cerebellum)
Supratentorial: craniopharyngioma (cerebrum)
Breast cancer
Infiltrating ductal carcinoma (in the US, 1 in 9 women will develop breast cancer)
Breast mass
- Fibrocystic change
2. 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 sides of mitral valve)
Cardiac tumor (adults)
- Metastasis
2. Primary 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 the vagina
DES exposure in utero
Comopression fracture
Osteoporosis (type I: postmenopausal woman; type II: elderly man or woman)
Congenital adrenal hyperplasia, hypotension
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
Tuberculosis (developing world); systemic lupus erythematosus (developed world)
Coronary artery involved in thrombosis
LAD > RCA > LCA
Cretinism
Iodine deficit/hypothyroidism
Cushing’s syndrome
- Corticosteroid therapy
- Excess ACTH secretion by pituitary
- Small cell lung carcinoma
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’s disease
2. Multiple infarcts
Demyelinating disease in young women
Multiple sclerosis
DIC
Gram-negative sepsis, obstetric complications, cancer, burn trauma
Dietary deficit
Iron
Diverticulum 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 (rheumatic fever), tricuspid (IV drug abuse), aortic (2nd affected in rheumatic fever)
Helminth infection (U.S.)
- Enterobius vermicularis
2. Ascaris lumbricoides
Hematoma - epidural
Rupture of middle meningeal artery (trauma; lentiform shaped)
Hematoma - subdural
Rupture of bridging veins (cresent shaped)
Hemochromatosis
Multiple blood transfusions or hereditary HFE mtuation (can result in CHF, “bronze diabetes,” and increased risk of hepatocellular carcinoma)