Key Associations Flashcards
Key Associations
Actinic (solar) keratosis
Precursor to squamous cell carcinoma
Key Associations
Acute gastric ulcer associated with CNS injury
Cushing ulcer (↑ intracranial pressure stimulates vagal gastric H+ secretion)
Key Associations
Acute gastric ulcer associated with severe burns
Curling ulcer (greatly reduced plasma volume results in sloughing of gastric mucosa)
Key Associations
Age ranges for patient with ALL/CLL/AML/CML
ALL: child
CLL: adult >60
AML: adult ~65
CML: adult 45-85
Key Associations
Alternating areas of transmural inflammation and normal colon
Skip lesions (Crohn disease)
Key Associations
Abdominal aortic aneurysm
Atherosclerosis
Key Associations
Ascending or arch aortic aneurysm
3° syphilis (syphilitic aortitis), vasa vasorum destruction
Key Associations
Thoracic aortic aneurysm
Marfan syndrome (idiopathic cystic medial generation)
Key Associations
Aortic dissection
Hypertension
Key Associations
Atrophy of mammillary bodies
Wernicke encephalopathy (thiamine deficiency causing ataxia, ophthalmoplegia, and confusion)
Key Associations
Autosplenectomy (fibrosis and shrinkage)
Sickle cell disease (hemoglobin S)
Key Associations
Bacteria associated with gastritis, peptic ulcer disease, and gastric malignancies (e.g. adenocarcinoma, MALToma)
H. pylori
Key Associations
Bacterial meningitis (adults & elderly)
S pneumoniae
Key Associations
Bacterial meningitis (newborns and kids)
Group B streptococcus/E coli (newborns)
S pneumoniae/N meningitidis (kids/teens)
Key Associations
Bilateral ovarian metastases from gastric carcinoma
Krukenberg tumor (mucin-secreting signet ring cells)
Key Associations
Bleeding disorder with GpIb deficiency
Bernard-Soulier syndrome (defect in platelet adhesion to von Willebrand factor)
Key Associations
Brain tumor (adults)
Supratentorial: metastasis, astrocytoma (including glioblastoma multiforme), meningioma, schwannoma
Key Associations
Brain tumor (kids)
Infratentorial: medulloblastoma (cerebellum)
Supratentorial: craniopharyngioma
Key Associations
Breast cancer
Invasive ductal carcinoma
Key Associations
Breast mass
Fibrocystic change
Carcinoma (in postmenopausal women)
Key Associations
Breast tumor (benign, young woman)
Fibroadenoma
Key Associations
Cardiac 1° tumor (kids)
Rhabdomyoma, often seen in tuberous sclerosis
Key Associations
Cardiac manifestations of lupus
Marantic/thrombotic endocarditis (nonbacterial)
Key Associations
Cardiac tumor (adults)
Metastasis
Myxoma (90% in left atrium; “ball and valve”)
Key Associations
Cerebellar tonsillar herniation
Chiari II malformation
Key Associations
Chronic arrhythmia
Atrial fibrillation (associated with high risk of emboli)
Key Associations
Chronic atrophic gastritis (autoimmune)
Predisposition to gastric carcinoma (can also cause pernicious anemia)
Key Associations
Clear cell adenocarcinoma of the vagina)
DES exposure in utero
Key Associations
Congenital adrenal hyperplasia, hypotension
21-hydroxylase deficiency
Key Associations
Congenital cardiac anomaly
VSD
Key Associations
Congenital conjugated hyperbilirubinemia (black liver)
Dubin-Johnson syndrome (inability of hepatocytes to secrete conjugated bilirubin into bile)
Key Associations
Constrictive pericarditis
TB (developing world)
Idiopathic, viral illness (developed world)
Key Associations
Coronary artery involved in thrombosis
LAD > RCA > circumflex
Key Associations
Cretinism
Iodine deficit/congenital hypothyroidism
Key Associations
Cushing syndrome
- Iatrogenic (from corticosteroid therapy)
- Adrenocortical adenoma (secretes excess cortisol)
- ACTH-secreting pituitary adenoma (Cushing disease)
- Paraneoplastic (due to ACTH secretion by tumors)
Key Associations
Cyanosis (early; less common)
Tetralogy of Fallot
Transposition of great vessels
Truncus arteriosus
Key Associations
Death in CML
Blast crisis
Key Associations
Death in SLE
Lupus nephropathy
Key Associations
Dementia
Alzheimer disease Multiple infarcts (vascular dementia)
Key Associations
Demyelinating disease in young women
Multiple sclerosis
Key Associations
DIC
Severe sepsis Obstetric complications Cancer Burns Trauma Major surgery Acute pancreatitis APL
Key Associations
Diverticulum in pharynx
Zenker diverticulum (diagnosed by barium swallow)
Key Associations
Ejection click
Aortic stenosis
Key Associations
Esophageal cancer
Squamous cell carcinoma (worldwide)
Adenocarcinoma (US)
Key Associations
Food poisoning (exotoxin mediated)
S aureus
B cereus
Key Associations
Gastric cancer
Adenocarcinoma
Key Associations
Glomerulonephritis (adults)
Berger disease (IgA nephropathy)
Key Associations
Gynecologic malignancy
Endometrial carcinoma (most common in US) Cervical carcinoma (most common worldwide)
Key Associations
Heart murmur, congenital
Mitral valve prolapse
Key Associations
Heart valve in bacterial endocarditis
Mitral > aortic (rheumatic fever)
Tricuspid (IV drug abuse)
Key Associations
Helminth infection (US)
Enterobius vermicularis
Ascaris lumbricoides
Key Associations
Hematoma - epidural
Rupture of middle meningeal artery (trauma; lentiform shaped)
Key Associations
Hematoma - subdural
Rupture of bridging veins (crescent shaped)
Key Associations
Hemochromatosis
Multiple blood transfusions or hereditary HFE mutation (can result in heart failure, “bronze diabetes”, and ↑ risk of hepatocellular carcinoma)
Key Associations
Hepatocellular carcinoma
Cirrhotic liver (associated with hepatitis B and C and with alcoholism)
Key Associations
Hereditary bleding disorder
von Willebrand disease
Key Associations
Hereditary harmless jaundice
Gilbert syndrome (benign congenital unconjugated hyperbilirubinemia)
Key Associations
HLA-B27
Psoriatic arthritis, ankylsing spondylitis, IBD-associated arthritis, reactive arthritis (formerly Reiter syndrome)
Key Associations
HLA-DR3
Diabetes mellitus type I SLE Graves disease Hashimoto thyroiditis Addison disease
Key Associations
HLA-DR4
Diabetes mellitus type I
Rheumatoid arthritis
Addison disease
Key Associations
Holosystolic murmur
VSD
Tricuspid regurgitation
Mitral regurgitation
Key Associations
Hypercoagulability, endothelial damage, blood stasis
Virchow triad (↑ risk of thrombosis)
Key Associations
Hypertension, 2°
Renal artery stenosis
Chronic kidney disease (e.g. polycystic kidney disease, diabetic nephropathy)
Hyperaldosteronism
Key Associations
Hypoparathyroidism
Accidental excision during thyroidectomy
Key Associations
Hypopituitarism
Pituitary adenoma (usually benign tumor)
Key Associations
Infections in chronic granulomatous disease
S aureus
E coli
Aspergillus
(⊕ catalase positive organism)
Key Associations
Intellectual disability
Down syndrome, fragile X syndrome
Key Associations
Kidney stones
- Calcium = radiopaque
- Struvite (ammnoium) = radiopaque (formed by urease ⊕ organisms such as Klebsiella, Proteus, and S saprophyticus)
- Uric acid = radiolucent
- Cystine = radiolucent
Key Associations
Late cyanotic shunt (uncorrected left to right becomes right to left)
Eisenmenger syndrome (caused by ASD, VSD, PDA; results in pulmonary hypertension/polycythemia)
Key Associations
Liver disease
Alcoholic cirrhosis
Key Associations
Lysosomal storage disease
Gaucher disease
Key Associations
Male cancer
Prostatic carcinoma
Key Associations
Malignancy associated with noninfectious fever
Hodgkin lymphoma
Key Associations
Malignancy (kids)
ALL
Medulloblastoma (cerebellum)
Key Associations
Metastases to bone
Prostate, breast > lung > thyroid
Key Associations
Metastases to brain
Lung > breast > genitourinary > melanoma > GI
Key Associations
Metastases to liver
Colon»_space; stomach, pancreas
Key Associations
Microcytic anemia
Iron deficiency
Key Associations
Mitochondrial inheritance
Disease occurs in both males and females, inherited through females only
Key Associations
Mitral valve stenosis
Rheumatic heart disease
Key Associations
Mixed (UMN & LMN) motor neuron disease
Amyotrophic lateral sclerosis
Key Associations
Myocarditis
Coxsackie B
Key Associations
Nephrotic syndrome (adults)
Focal segmental glomerulosclerosis
Key Associations
Nephrotic syndrome (kids)
Minimal change disease
Key Associations
Neuron migration failure
Kallmnan syndrome (hypogonadotropic hypogonadism and anosmia)
Key Associations
Nosocomial pneumonia
S aureus
Pseudomonas
Other enteric Gram ⊝ rods
Key Associations
Obstruction of male urinary tract
BPH
Key Associations
Opening snap
Mitral stenosis
Key Associations
Opportunistic infection n AIDS
Pneumocystis jirovecii pneumonia
Key Associations
Osteomyelitis
S aureus (most common overall)
Key Associations
Osteomyelitis in sickle cell disease
Salmonella
Key Associations
Osteomyelitis in IV drug use
Pseudomonas
Candida
S aureus
Key Associations
Ovarian tumor (benign, bilateral)
Serous cystadenoma
Key Associations
Ovarian tumor (malignant)
Serous cystadenocarcinoma
Key Associations
Pancreatitis (acute)
Gallstones
Alcohol
Key Associations
Pancreatitis (chronic)
Alcohol (adults) Cystic fibrosis (kids)
Key Associations
Pelvic inflammatory disease
C trachomatis
N gonorrhoeae
Key Associations
Philadelphia chromosome t(9;22) (BCR-ABL)
CML (may sometimes be associated with ALL/AML)
Key Associations
Pituitary tumor
Prolactinoma
Somatotropic adenoma
Key Associations
1° amenorrhea
Turner syndrome (45,XO or 45,XO/46,XX mosaic)
Key Associations
1° bone tumor (adults)
Multiple myeloma
Key Associations
1° hyperaldosteronism
Adenoma of adrenal cortex
Key Associations
1° hyperparathyroidism
Adenomas, hyperplasia, carcinoma
Key Associations
1° liver cancer
Hepatocellular carcinoma (chronic hepatitis, cirrhosis, hemochromatosis, α1-antitrypsin deficiency, Wilson disease)
Key Associations
Pulmonary hypertension
Idiopathic, heritable, left heart disease (eg. HF), lung disease (eg. COPD), hypoxemic vasoconstriction (eg. OSA), thromboembolic (eg. PE)
Key Associations
Recurrent inflammation/thrombosis of small/medium vessels in extremities
Buerger disease (strongly associated with tobacco)
Key Associations
Refractory peptic ulcers and high gastrin levels
Zollinger-Ellison syndrome (gastrinoma or duodenum or pancreas), associated with MEN1
Key Associations
Renal tumor
Renal cell carcinoma: associated with von Hippel-Lindau and cigarette smoking; paraneoplastic syndromes (EPO, renin, PTHrP, ACTH)
Key Associations
Right heart failure due to a pulmonary cause
Cor pulmonale
Key Associations
S3 heart sound
↑ ventricular filling pressure (eg. mitral regurgitation, HF), vommon in dilated ventricles
Key Associations
S4 heart sound
Stiff/hypertrophic ventricle (aortic stenosis, restrictive cardiomyopathy)
Key Associations
2° hyperparathyroidism
Hypocalcemia of chronic kidney disease
Key Associations
Sexually transmitted disease
C trachomatis (usually coinfected with N gonorrhoeae)
Key Associations
SIADH
Small cell carcinoma of the lung
Key Associations
Site of diverticula
Sigmoid colon
Key Associations
Sites of atherosclerosis
Abdominal aorta > coronary artery > popliteal artery > carotid artery
Key Associations
t(14;18)
Follicular lymphomas (BCL-2 activation, anti-apoptotic oncogene)
Key Associations
t(8;14)
Burkitt lymphoma (c-myc fusion, transcription factor oncogene)
Key Associations
t(9;22)
Philadelphia chromosome, CML (BCR-ABL activation, tyrosine kinase oncogene)
Key Associations
Temporal arteritis
Risk of ipsilateral blindness due to occlusion of ophthalmic artery; polymalgia rheumatica
Key Associations
Testicular tumor
Seminoma (malignant, radiosensitive), ↑ placental ALP
Key Associations
Thyroid cancer
Papillary carcinoma (childhood radiation)
Key Associations
Tumor in women
Leiomyoma (estrogen dependent, not precancerous)
Key Associations
Tumor of infancy
Strawberry hemangioma (grows rapidly and regresses spontaneously by childhood)
Key Associations
Tumor of the adrenal medulla (adults)
Pheochromocytoma (usually benign)
Key Associations
Tumor of the adrenal medulla (kids)
Neuroblastoma (malignant)
Key Associations
Type of Hodgkin lymphoma
Nodular sclerosing (vs mixed cellularity, lymphocytic predominance, lymphocytic depletion)
Key Associations
Type of non-Hodgkin lymphoma
Diffuse large B-cell lymphoma
Key Associations
UTI
E. coli Staphylococcus saprophyticus (young women)
Key Associations
Vertebral compression fracture
Osteoporosis (type I: postmenopausal; type II: elderly man or woman)
Key Associations
Viral encephalitis affecting temporal lobe
HSV-1
Key Associations
Vitamin deficiency (US)
Folate (pregnant women at high risk; body stores only 3-4 month supply; prevents neural tube defects)