First Aid - Classic Labs/Findings Flashcards
anticentromere antibodies
scleroderma (CREST)
antidesmolegin (epithelial) antibodies
pemphigus vulgaris (blistering)
anti-GBM antibodies
goodpastures (GNP + hemoptysis)
antihistone antibiodies
drug-induced SLE
anti-IgG antibodies
rheumatoid arthritis
AMAs
primary biliary cirrhosis - female, cholestasis, portal HTN
MPO-ANCA (p-ANCA)
microscopic polyangiitis and Churg-Strauss
PR3-ANCA (c-ANCA)
granulomastosis with polyangiitis
anti-smith antibodies
SLE
antiplatelet antibodies
idiopathic thrombocytopenic pupura
anti-topoisomerase antibodies
diffuse systemic scleroderma
anti-transglutaminase/anti-gliasin/anti-endomysial antibodies
celiac disease - diarrhea, distention, wt loss
“apple core” lesion on abd x-ray
colorectal cancer - usually L sided
azurophilic peroxidase + granular inclusions in granulocytes and myeloblasts
auer rods - AML, esp te promyelocytic (M3) type
bactracin response
sensitive: streptococus pyogens (group A); resistant: streptococcus agalactiae (group B)
“bamboo spine” on x-ray
ankylosing spondlyitis - chronic inflammatory arthritis (HLA-B27)
basophilic nuclear remnants in RBCs
howell-jolly bodies - d/t splenectomy or nonfxnl spleen
basophilic stippling of RBCs
lead poisoning or sideroblastic anemia
bloody tap on LP
subarachnoid hemorrhage
boot-shaped heart on CXR
tetrology of fallot, RVH
branching gm + rods with sulfure granules
actinomyces israelii
bronchogenic apical lung tumor on imaging
pancoast tumor - can compress sympathetic ganglion and cause Horner syndrome
“brown” tumor of bone
hyperparathyroidism or osteitis fibrosa cystica - deposited hemosiderin from hemorrhage gives brown color
cardiomegaly with apically atrophy
chagas disease
cellular crescents in Bowman capsule
RPGN
“chocolate cyst” of ovary
endometreosis - frequently involves both ovaries
circular grouping of dark tumor cells surrounding pale neurofibrils
homer-wright rosettes - neuroblastoma, medulloblastoma, retinoblastoma
colonies of mucoid Pseudomonas in lungs
CF
decreased in AFP in amniotic fluid/maternal serum
down synd or other chromosomal abn
degeneration of dorsal column nerves
tabes dorsalis - tertiary syphilis
depigmentation of neurons in substantia nigra
parkinson dz - basal ganglia disorder; rigidity, resting tremor, bradykinesia
disarrayed granulosa cells in eosiniphilic fluid
call-exner bodies - granulosa-theca cell tumor of the ovary
desquamated epi casts in sputum
curschmann spirals - bronchial asthma, can get whorled mucous plugs
dysplastic squamous cervical cells with nuclear enlargement and hyperchromasia
koilocytes - HPV
enlarged cells with intranuclear inclusion bodies
“owl eye” appearance of CMV
enlarged thyroid cells with ground-glass nuclei
“orphan annie” eyes nuclei - papillary carcinoma of the thyroid
eosinophilic cytoplasmic inclusions in liver cells
mallory body - etoh liver dz
eosinophilic cutoplasmic inclusions in nerve cells
lewy body - PD
eosinophilic globule in liver
councilman body - toxic or viral hepatitis, often yellow fever
eosinophilic inclusion bodies in cytoplasm of hippocampal and cerebellar nerve cells
negri bodies or rabies
extracellular amyloid deposition in gray matter or brain
senile plaques - alzheimer dz
giant B cels with bilobed nuclei with prominent inclusions
reed-sternberg cells - Hodgkin lymphoma
glomerulous-like structure surrounding vessel in germ cells
schiller-duval bodies - yolk sac tumor
“hair on end” (crew-cut) appearance on xray
beta-thalassemia, sickle cell anemia - marrow expansion
hCG elevated
choriocarcinoma, hydatiform mole
heart nodules (granulomatous)
aschoff bodies - rheumatic fever
heterophile antibodies
infectious mononucleosis (EBV)
hexagonal, double-pointed, needle-like crystals in bronchial secretions
bronchial asthma - charcot-leyden crystals, eosiniophilic granules
high levels of d-dimers
DVT, PE, DIC
hilar LAD, peripheral granulomatous lesions in middle or lower lung lobes - can calcify
ghon complexes - primary TB, mycobacterium bacilli
“honeycomb lung” on xray or CT
interstitial pulmonary fibrosis
hypercoagulability - leading to migrating DVTs and vasculitides
trousseau syndrome - adenocarcinoma of the pancreas or lungs
hypersegmented neutrophils
megaloblastic anemia - B12 def = neuo s/s, folate def = no neuro s/s
hypertension, hypokalemia, metabolic alkalosis
conn syndrome
hypochromic, microcytic anemia
Fe def anemia, lead poisoning, thalassemia (fetal Bh sometimes present)
increased AFP in amniotic fluid/maternal serum
dating error, anencephaly, spina bifida (neural tube defect)
increased uric acid levels
gout, lech-nyhan syndrome, tymor lysis syndrome, loop and thiazide diuretics
increanuclear eosinophilic droplet-like bodies
cowdry type A bodies (HSV or CMV)
Fe-containing nodules in alveolar septum
ferruginous bodies - asbestos, increased chance of mesothelioma
keratin pearls on a skin biopsy
sq cell carcinoma
large lysosomal vesicles in phagocytes, immuodef
chediask-higashi disease - congenital failure of phagolysosome formation
“lead pipe” appearance of colon on barium enema x-ray
UC - loss of haustra
linear appearance of IgG deposition on glomerular basement membrane
goodpasture syndrome
low serum ceruloplasmin
wilson disease - hepatolenticular
“lumpy bumpy” appearance of glomeruli on immunofluorescence
post strep GNP - IgG and C3b complex deposition
lytic (“hole punched”) bone lesions on xray
multiple myeloma
mammary glad (“blue domed”) cyst
fibrocytic change of the breast
monoclonal antibody spike
- multiple myeloma
- monoclonal gammopathy of undetermined significance
- waldenstrom macroglobulinemia
- primary amyloidosis
mucin-filled cells with peripheral nucleus
“signet ring” - gastic carcinoma
narrowing of bowel lumen on barium xray
“string sign” - crohn disease
necrotizing vasculitis (lungs) and necrotizing GNP
- granulomatosis with polangiitis
- goodpasture syndrome
needle-shaped, negatively birefringent crystals
gout
nodule hyaline deposits in glomerular
kimmelstel-wilson nodules - diabetic nephropathy
novobiocin response
sensitive: staph epidermidis; resistant: staph saprophyticus
“nutmeg” appearance of liver
chronic passive congestion of liver d/t RHF
“onion skin” periosteal reaction
ewing sarcoma - malignant round-cell tumor
optochin response
sentive: strep pneumo; resistant: viridans, streptococci
periosetum raised from bone, creating triangular area
codman triangle on xray - osteosarcoma, Ewing sarcoma, pyogenic osteomyelitis
polished, “ivory-like” appearance of bones at cartilage erosion
eburnation - osteoarthritis resulting in bony sclerosis
psammoma bodies
meningioma, papillary thyroid carcinoma, mesothelioma, papillary serous carcinoma of the endometrium and ovary
pseudopalisading tumor cells on brain biopsy
glioblastoma multiforme
RBC casts in urine
acute GNP
rectangular, crystal-like, cytoplasmic inclusion in Leydig cells
reinke crystals - Leydig cell tumor
renal epi casts in urine
acute toxic/viral renal injury
rhomboid crystals, positively birefringent
pseudogout - CaPO dihydrade crystals
rib notching
coarctation of the aorta
ring-enhancing brain lesions in AIDS pt
toxoplama gondii, CNS lymphoma
sheets of medium-sized lymphoid cells with scattered pale, tingible body-laden MPs - “starry sky” histology
burkitt lymphoma - t[8:14] c-myc activation, ass’d with EBV; “black sky” made up of malignant cells
silver-staining spherical aggregation of tau proteins in neurons
pick bodies (pick disease: progressive dementia, changes in personality)
“soap bubble” in femur or tibia on xray
giant cell tumor of bone - generally benign
“spikes” on basement membrane, “dome-like” subepi deposits
membranous GNP - may progress to nephrotic syndrome
stacks of RBCs
rouleaux formation - high ESR, multiple myeloma
stippled vaginal epi cells
“clue cells” - garderella vaginalis
“tennis racket” shaped cytoplasmic organelles (EM) in Langerhans cells
birbeck granules - langerhans cells histiocytosis or histiocytosis X: eosinophilic granuloma
thrombi made of red/white layers
lines of zahn - aterial thrombus, layers of platelets/RBCs (pre-mortem)
“tram-track” appearance of capillary loops of glomerular basement membranes on light microscopy
membranoproliferative GNP
triglyceride accumulation in liver cell vacuoles
fatty liver disease - etoh or metabolic syndrome
“waxy” casts with very low urine flow
chronic end-stage renal dz
WBC casts in urine
acute pyelo
WBCs that look “smudged”
CCL - almost always B cell
“wire look” glomerular capillary appearance on light microscopy
lupus nephropathy
yellowish CSF
xanthochromia
amastigotes in macrophages
leishmania infection (kaplan)