Classic Labs/Findings IV Flashcards
“Soap bubble” in femur or tibia on x-ray
Giant cell tumor of bone (generally benign)
“Spikes” on basement membrane, “dome-like” subepithelial deposits
Membranous nephropathy (nephrotic syndrome)
Stacks of RBCs
Rouleaux formation (High ESR, multiple myeloma)
Steeple sign on CXR
Croup (parainfluenza virus)
Stippled vaginal epithelial cells
“Clue cells” (Gardnerella aginalis)
Streptococcus bovis bacteremia
Colon cancer
“Tennis racket” shaped cytoplasmic organelles (EM) in Langerhans cells
Birbeck granules (Langerhans cell hystiocytosis)
Thousands of polyps on coonoscopy
Familial adenomatous polyposis (Autosomal dominant, mutation of APC gene)
Thrombi made of white/red layers
Lines of Zahn (arterial thrombus, layers of platelets/RBC’s)
“Thumb sign” on lateral neck x-ray
Epiglottitis (Haemophilus influenzae)
Thyroid-like appearance of kidney
Chronic pyelonephritis (Usually due to recurrent infections)
“Tram-track” appearance of capillary loops of glomerular basement membranes on light microscope
Membranoproliferative glomerulonephritis
Triglyceride accumulation in liver cell vacuoles
Fatty liver disease (alcoholic or metabolic syndrome)
Waxy casts with very low urine flow
Chronic end-stage renal disease
WBC casts in urine
Acute pyelonephritis