Classic Findings Flashcards
increased AFP in amniotic fluid/maternal serum
dating error
anencephaly
spina bifida (NTDs)
anticentromere Abs
scleroderma (CREST)
anti-desmoglein (anti-desmosome) Abs
pemphigus vulgaris (blistering)
Anti-glomerular BM Abs
Goodpasture synd (glomerulonephritis and hemoptysis)
antihistone Abs
drug induced SLE (hydralazine, isoniazid, phenytoin, procainamide, sulfasalazine)
Anti-IgG Abs
RA (systemic inflam, joint pannus, boutonniere deformity)
antimitochondrial Abs (AMAs)
primary biliary cirrhosis (female, cholestasis, portal HTN)
antineutrophil cytoplasmic Abs (ANCAs)
microscopic polyangiitis and eosinophilic granulomatosis w/ polyangiitis (Churg-Strauss): MPO-ANCA/p-ANCA
granulomatosis w/ polyangiitis (Wegener): PR3-ANCA/c-ANCA
antinuclear Abs (ANAs: anti-Smith and anti-dsDNA)
SLE (type III h/s)
antiplatelet Abs
immune thrombocytopenic purpura
anti-topoisomerase Abs
diffuse systemic scleroderma
anti-transglutaminase/anti-gliadin/anti-endomysial Abs
celiac dz
apple core lesion on barium enema x-ray
colorectal cancer (usually L sided)
atypical lymphocytes
EBV
azurophilic peroxidase +
granular inclusions in granulocytes and myeloblasts
Auer rods (AML, esp M3 type)
bacitracin response
sensitive: S. pyogenes (group A)
resistant: S. agalactiae (B)
bamboo spine on xray
ankylosing spondylitis (chronic inflam arthritis, HLA-B27)
basophilic stippling of RBCs
lead poisoning
sideroblastic anemia
basophilic nuclear remnants in RBCs
Howell-Jolly bodies (due to splenectomy or non-functional spleen)
bloody or yellow tap on lumbar puncture
subarachnoid hemorrhage
boot shaped heart on xray
tetralogy of fallot (from RVH)
branching gram + rods w/ sulfur granules
actinomyces israeli
bronchogenic apical lung tumor on imaging
pancoast tumor
brown tumor of bone
hyperparathyroidism or osteitis fibrosa cystica (hemosiderin)
cardiomegaly w/ apical atrophy
Chagas dz (trypanosoma cruzi)
cellular crescents in bowman capsule
rapidly progressive crescentic glomerulonephritis
chocolate cyst on ovary
endometriosis (often bilat)
circular grouping of dark tumor cells surrounding pale neurofibrils
Homer-Wright rosettes (neuroblastoma, medulloblastoma)
colonies of mucoid pseudomonas in lungs
CF (AutoRec mutation in CTFR)
decreased AFP in amniotic fluid/maternal serum
down syndrome or other chromosomal abnormalities
degeneration of dorsal column fibers
tabes dorsalis (tertiary syphilis), subacute combined degeneration (dorsal columns, lateral corticospinal, spinocerebral tracts affected)
delta wave on EKG, short PR interval, supraventricular tachycardia
Wolff-Parkinson-White synd (bundle of Kent bypasses AV node)
depigmentation of neurons in substantia nigra
Parkinson dz (basal gang d/o: rigidity, resting tremor, bradykinesia)
desquamated epithelium casts in sputum
Curschmann spirals (bronchial asthma; can result in whorled mucus plugs)
disarrayed granulosa cells arranged around collections of eosinophilic fluid
Call-Exner bodies (granulosa cell tumor of the ovary)
dysplastic squamous cervical cells w/ raisinoid nuclei and hyperchromasia
koilocytes (HPV: predisposes to cervical CA)
electrical alternans (alternating amplitude on EKG)
pericardial tamponade
enlarged cells w/ intranuclear inclusion bodies
owl eye appearance of CMV
enlarged thyroid cells w/ ground glass nuclei w/ central clearing
orphan annie eyes (papillary carcinoma of the thyroid)
orphan annie eyes nuclei
papillary carcinoma of the thyroid
eosinophilic cytoplasmic inclusion in liver cell
mallory body (alcoholic liver dz)
eosinophilic cytoplasmic inclusion in neuron
Lewy body (Parkinsons/Lewy body dementia)
Mallory bodies
alcoholic liver dz
eosinophilic globule in liver
councilman body (viral hep, yellow fever), represents hepatocyte undergoing apoptosis
eosinophilic inclusion bodies in cytoplasm of hippocampal and cerebellar neurons
negri bodies (rabies)
extracellular amyloid deposition in grey matter
senile plaques (AD)
giant B cells w/ bilobed nuclei w/ prominent inclusions (owls eye)
Reed-Sternberg cells (Hodgkin lymphoma)
glomerulus-like structure surrounding vessel in germ cells
Schiller-Duval bodies (yolk-sac tumors)
hair on end (crew-cut) appearance on x-ray
beta-thalassemia, sickle cell dz (marrow expansion)
hCG elevated
choriocarcinoma, hydratidiform mole (occurs w/ and w/o embryo)
heart nodules (granulomatous)
Aschoff bodies (rheumatic fever)
Reed-Sternberg cells
Hodgkin lymphoma
Schiller-Duvall bodies
yolk sac tumors
heterophile Abs
infectious mononucleosis (EBV)
hexagonal, double-pointed, needle-like crystals in bronchial secretions
bronchial asthma (Charcot-Leyden crystals: eosinophilic granules)
Aschoff bodies
rheumatic fever
high levels of D-dimer
DVT, PE, DIC
hilar lymphadenopathy, peripheral granulomatous lesion in middle or lower lung lobes (can calcify)
Ghon complex (primary TB: mycobacterium bacili)
Charcot-Leyden crystals
bronchial asthma
honeycomb lung on x-ray or CT
interstitial pulmonary fibrosis
could be from bleomycin or busulfan
hypercoagulability (leading to migrating DVTs and vasculitis)
Trousseau syndrome (adenocarcinoma of pancreas or lung)
hypersegmented neutrophils
megaloblastic anemia (B12 def: neurologic sx; folate def: no neurologic sx)
HTN, hK, metabolic alkalosis
primary hyperaldosteronism (Conn syndrome)
hypochromic, microcytic anemia
iron def anemia, lead poisoning, thalassemia
Trousseau sign
adenocarcinoma of pancreas or lung
intranuclear eosinophilic droplet-like bodies
Cowdry bodies (HSV, VZV)
iron-containing nodules in alveolar septum
ferruginous bodies (asbestosis)
kerratin pearls on a skin biopsy
squamous cell carcinoma
Cowdry bodies
HSV, VZV
large granules in phagocytes, immunodeficiency
Chediak-Higashi disease (congenital failure of phagolysosome formation)
lead pipe appearance of colon on abdominal imaging
ulcerative colitis (loss of haustra)
ferruginous bodies
asbestosis
linear appearance of IgG deposition on glomerular and alveolar basement membranes
Goodpasture syndrome
low serum ceruloplasmin
Wilson dz (hepatolenticular degeneration)
lumpy bumpy appearance of glomeruli on immunofluorescence
poststreptococcal glomerulonephritis (due to deposition of IgG, IgM and C3)
lytic (punched out) bone lesions on x-ray
multiple myeloma
mammary gland (blue-domed) cyst
fibrocystic change on the breast
monoclonal Ab spike
multiple myeloma (usually IgG or IgA) monoclonal gammopathy of undetermined significance (MGUS consequence of aging) Waldenstrom (M protein = IgM) macroglobulinemia primary amyloidosis
mucin-filled cell w/ peripheral nucleus
signet ring (gastric carcinoma, krukenberg)
narrowing of bowel lumen on barium x-ray
string sign (crohn disease)
necrotizing vasculitis (lungs) and necrotizing glomerulonephritis
granulomatosis w/ polyangiitis (Wegener) Goodpasture synd (anti BM Abs)
needle-shaped, (-) birefringent crystalls
gout (monosodium urate crystals)
signet ring cells
gastric carcinoma krukenberg tumor (ovary and stomach)
string sign
Crohn disease
nodular hyaline deposits
Kimmelstiel-Wilson nodules (diabetic nephropathy)
novobiocin response
sensitive: S. epidermidis; resistant: S. saprophyticus
nutmeg liver
chronic passive congestion of liver due to right heart failure or Budd-Chiari syndrome
onion skin periosteal reaction
Ewing sarcoma (malignant small blue cell tumor)
Kimmelstiel-Wilson nodules
diabetic nephropathy
optochin response
sensitive: S. pneumoniae; resistant: viridans streptococci (s mutans, s sanguis)
podocyte fusion or effacement on electron microscopy
minimal change disease (child with nephrotic syndrome)
polished “ivory-like” appearance of bone at cartilage erosion
eburnation (osteoarthritis resulting in bony sclerosis)
protein aggregates in neurons from hyperphosphorylation of tau protein
neurofibrillary tangles (AD) and Pick bodies (Pick dz)
Psammoma bodies
meningiomas
papillary thyroid carcinoma
mesothelioma
papillary serous carcinoma of endometrium and ovary
pseudopalisading tumor cells on brain biopsy
glioblastoma multiforme
raised periosteum (creates Codman triangle)
Aggressive bone lesion (osteosarcoma, Ewing sarcoma, osteomyelitis)
RBC casts in urine
glomerulonephritis
rectangular, crystal-like, cytoplasmic inclusions in Leydig cells
Reinke crystals (Leydig cell tumor)
recurrent infections, eczema, thrombocytopenia
Wiskott-Aldrich syndrome
renal epithelial casts in urine
intrinsic renal failure (from ischemia or toxic injury)
rhomboid crystals, (+) birefringent
pseudogout (Ca pyrophosphate dihydrate crystals)
rib notching (inferior surface, on x-ray)
coarctation of the aorta
Reinke crystals
Leydig cell tumor
ring-enhancing brain lesion on CT/MRI in AIDS
toxoplasma gondii, CNS lymphoma
sheets of medium-sized lymphoid cells w/ scattered pale, tingible body-laden macrophages
Burkitt lymphoma (t8:14, c-myc activation, a/w EBV; starry sky made up of malignant cells)
silver-staining spherical aggregation of tau proteins in neurons
Pick bodies (Pick dz: progressive dementia, changes in personality)
“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 frontal CXR
croup (parainfluenza virus)
stippled vaginal epithelial cells
clue cells (gardnerella vaginalis)
streptococcus bovis bacteremia
colon cancer
tennis racket shaped cytoplasmic organelles (EM) in Langerhans cells
Birbeck granules (langerhans cell histiocytosis)
Rouleaux formation
high ESR, multiple myeloma
thousands of polyps on colonoscopy
familial adenomatous polyposis (AutoDom, APC mutation)
thrombi made of white/red layers
lines of Zahn (arterial thrombus, layers of platelets/RBCs)
thumb sign on lateral neck x-ray
epiglottitis (haemophilus influenzae)
thyroid-like appearance of kidney
chronic pyelonephritis (usually due to recurrent infections)
clue cells
gardnerella vaginalis
birbeck granules
Langerhans cell histiocytosis
tram-track appearance of capillary loops of glomerular basement membranes on light microscopy
membranoproliferative glomerulonephritis
TG accumulation in liver cell vacuoles
fatty liver dz (alcoholic or metabolic)
increased uric acid levels
gout, Lesch-Nyhan syndrome, tumor lysis syndrome, loop and thiazide diuretics
waxy casts w/ very low urine flow
chronic end-stage renal disease
WBC casts in urine
acute pyelonephritis
AIN
rejection
WBCs that look smudged
CLL (almost always B cell)
wire loop glomerular capillary appearance on light microscopy
diffuse proliferative glomerulonephritis (usually w/ SLE)
yellowish CSF
zanthochromia (like from subarachnoid hemorrhages)
Anitschkow cells
rheumatic fever
Aschoff bodies
rheumatic fever
ASO titers up
strep pyogenes infection
pharyngitis –> rheumatic fever
asymmetric septal hypertrophy
hypertrophic CM
ball valve obstruction
myxoma
brachial-femoral delay
coarctation of the aorta
bread and butter pericarditis
rheumatic fever
bulky, friable vegetations
bacterial endocarditis
c-ANCA (+)
Wegener’s granulomatosis
cardiac knock
constrictive pericarditis
cardiomegaly
dilated CM
Chagas dz
chest pain, radiates to back
aortic dissection
claudication
buerger disease
clubbing
tetralogy of fallot, eisenmenger syndrome, endocarditis
lung CA, TB, CF, chronic hypoxia
crohns, UC, hyperthyroid, malabsorption
CM: diastolic dysfunction
hypertrophic CM
restrictive CM
CM: systolic dysfunction
dilated CM
congenital rubella heart defects
VSD
ASD
PDA
crescendo-decrescendo murmur
aortic stenosis
pulmonic stenosis
ASD
CXR: balloon apearance
dilated CM
CXR: boot shaped heart
tetralogy of Fallot
CXR: mediastinal widening
aortic dissection
CXR: notched ribs
coarctation of aorta
delayed rumbling murmur
mitral stenosis
delta wave, wide QRS, short PR
Wolff-Parkinson-White
DiGeorge heart defects
persistent truncus arteriosus
tetralogy of fallot
distant heart sounds
cardiac tamponade
eccentric hypertrophy
dilated CM
ejection click
aortic stenosis
electrical alternans
cardiac tamponade
erythema marginatum
rheumatic fever
false (+) syphilis test
anti-phospholipid syndrome
friction rub
pericarditis
granulomatous inflammation (vasculitis)
temporal arteritis
Takayasu
Wegener (both)
Churg Strauss (both
harsh sounding murmur
VSD
head bobbing
aortic regurgitation
hemosiderin macrophages in lungs
left heart failure (pulmonary edema)
high pitched, blowing murmur
aortic regurg
mitral regurg
tricuspid regurge
holosystolic murmur
mitral regurg
tricuspid regurg
VSD
IgA complex deposition
Henoch-Schonlein purpura
Janeway lesions
bacterial endocarditis
jaw cramp
temporal arteritis
JVD
right heart failure
Kussmaul sign
constrictive pericarditis
DKA
late decrescendo murmur
tricuspid stenosis
long QT + deafness
Jervell and Lange-Nielsen
long QT + no deafness
Romano-Ward
Loud S1, wide fixed split S2
ASD
low voltage EKG
restrictive CM
cardiac tamponade
migratory polyarthritis
rheumatic fever
multiple miscarriages
anti-phospholipid syndrome
murmur that gets earlier and softer w/ Valsalva
MVP
murmur louder w/ expiration
mitral regurg
mitral stenosis
mitral prolapse
murmur louder w/ hand grip
mitral regurg
murmur louder w/ inspiration
tricuspid regurg
tricuspid stenosis
tricuspid prolapse
murmur louder w/ squatting
aortic stenosis
murmur radiates to axilla
mitral regurgitation
murmur softer w/ squatting
hypertrophic CM
myofiber disarray
hypertrophic CM