FA Rapid Review: Classic Labs/Finding Flashcards

1
Q

Anticentromere antibodies

A
Scleroderma (CREST)
Pemphigus vulgaris (blistering)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Antidesmoglein (epithelial) antibodies

A

Pemphigus vulgaris (blistering)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Anti-glomerular basement membrane antibodies

A

Goodpasture’s syndrome (glomerulonephritis and hemoptysis)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Antihistone antibodies

A

Drug-induced SLE (hydralazine, isoniazid, phenytoin, procainamide)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Antimitochondrial antibodies (AMAs)

A

1° biliary cirrhosis (female, cholestasis, portal hypertension)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Antineutrophil cytoplasmic antibodies (ANCAs)

A

Vasculitis (c-ANCA: granulomatosis with polyangiitis [Wegener’s]; p-ANCA: microscopic polyangiitis, Churg­ Strauss syndrome)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Antinuclear antibodies (ANAs: anti-Smith and anti-dsDNA)

A

SLE (type III hypersensitivity)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Antiplatelet antibodies

A

Idiopathic thrombocytopenic purpura

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Anti-topoisomerase antibodies

A

Diffuse systemic scleroderma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Anti-transglutaminase I, anti-gliadin I, anti-endomysial antibodies

A

Celiac disease (diarrhea, distention, weight loss)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Apple core lesion on abdominal x-ray

A

Colorectal cancer (usually left-sided)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Azurophilic peroxidase-positive granular inclusions in granulocytes and myeloblasts

A

Auer rods (acute myelogenous leukemia, especially the promyelocytic (M3 type)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Bacitracin response

A

Sensitive: Streptococcus pyogenes (group A); resistant: Streptococcus agalactiae (group B)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Basophilic nuclear remnants in RBCs

A

Howell-Jolly bodies (clue to splenectomy or nonfunctional spleen)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Basophilic stippling of RBCs (2)

A

Lead poisoning or sideroblastic anemia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Bloody tap on LP

A

Subarachnoid hemorrhage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Boot shaped heart on x-ray (2)

A

Tetralogy of Fallot, RVH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Branching gram-positive rods with sulfur granules

A

Actinomyces israelii

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Bronchogenic apical lung tumor on imaging

A

Pancoast tumor (can compress sympathetic ganglion and cause Horner’s syndrome)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Brown tumor of bone (2)

A

Hyperparathyroidism or osteitis fibrosa cystica (deposited hemosiderin from hemorrhage gives brown color)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Cardiomegaly with apical atrophy

A

Chagas’ disease (Trypanosoma cruzi)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Cellular crescents in Bowman’s capsule

A

Rapidly progressive crescentic glomerulonephritis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Chocolate cyst of ovary

A

Endometriosis (frequently involves both ovaries)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Circular grouping of dark tumor cells surrounding pale neurofibrils

A

Homer-Wright rosettes (neuroblastoma, medulloblastoma, retinoblastoma)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Colonies of mucoid Pseudomonas in lungs
Cystic fibrosis (autosomal-recessive mutation in CFTR resulting in fat-soluble vitamin deficiency and mucous plugs)
26
Decreased a-fetoprotein in amniotic fluid/maternal serum
Down syndrome or other chromosomal abnormality
27
Degeneration of dorsal column nerves
Tabes dorsalis (3° syphilis), subacute combined degeneration (dorsal columns and lateral corticospinal tracts affected)
28
Depigmentation of neurons in substantia nigra
Parkinson's disease (basal ganglia disorder: rigidity, resting tremor, bradykinesia)
29
Desquamated epithelium casts in sputum
Curschmann's spirals (bronchial asthma; can result in whorled mucous plugs)
30
Disarrayed granulosa cells in eosinophilic fluid
Call-Exner bodies (granulosa-theca cell tumor of the ovary)
31
Dysplastic squamous cervical cells with nuclear enlargement and hyperchromasia
Koilocytes (HPV: predisposes to cervical cancer)
32
Enlarged cells with intranuclear inclusion bodies
Owl's eye appearance of CMV
33
Enlarged thyroid cells with ground-glass nuclei
Orphan Annie's eyes nuclei (papillary carcinoma of the thyroid)
34
Eosinophilic cytoplasmic inclusion in liver cell
Mallory bodies (alcoholic liver disease)
35
Eosinophilic cytoplasmic inclusion in nerve cell
Lewy body (Parkinson's disease)
36
Eosinophilic globule in liver
Councilman body (toxic or viral hepatitis, often yellow fever)
37
Eosinophilic inclusion bodies in cytoplasm of hippocampal nerve cells
Negri bodies of rabies (Lyssavirus)
38
Extracellular amyloid deposition in gray matter of brain
Senile plaques (Alzheimer's disease)
39
Giant B cells with bilobecl nuclei with prominent inclusions ("owl's eye")
Reed-Sternberg cells (Hodgkin's lymphoma)
40
Glomerulus-like structure surrounding vessel in germ cell
Schiller-Duval bodies (yolk sac tumor)
41
Hair on end (crew-cut) appearance on x-ray (2)
beta-thalassemia, sickle cell anemia (marrow expansion)
42
hCG elevated (2)
Choriocarcinoma, hydatidiform mole (occurs with and without embryo)
43
Heart nodules (granulomatous)
Aschoffbodies (rheumatic fever)
44
Heterophile antibodies
Infectious mononucleosis (EBV)
45
hexagonal, double-pointed, needle-like crystals in bronchial secretions
Bronchial asthma (Charcot-Leyden crystals: eosinophilic granules)
46
High level of d-dimers
DVT, pulmonary embolism, DIC
47
Hilar lymphadenopathy, peripheral granulomatous lesion in middle or lower lung lobes (can calcify)
Ghon complex primary TB: Mycobacterium bacilli
48
"Honeycomb lung" on x-ray or CT
Interstitial pulmonary fibrosis
49
Hypercoagulability (leading to migrating DVTs and vasculitis)
Trousseau's syndrome (adenocarcinoma of pancreas or lung)
50
Hypersegmented neutrophils,
Megaloblastic anemia (B12 deficiency: neurologic symptoms; folate deficiency: no neurologic symptoms)
51
Hypertension, hypokalemia, metabolic alkalosis
Conn's syndrome
52
Hypochromic, microcytic anemia (3)
Iron deficiency anemia, lead poisoning, thalassemia (fetal hemoglobin sometimes present)
53
Increased alpha-fetoprotein in amniotic fluid/maternal serum, Increased uric acid levels (3)
Dating error, anencephaly, spina bifida (neural tube defects)
54
Increased uric acid levels (4)
Gout, Lesch-Nyhan syndrome, tumor lysis syndrome, loop and thiazide diuretics
55
Intranuclear eosinophilic droplet-like bodies
Cowdry type A bodies (HSV or CMV)
56
Iron-containing nodules in alveolar septum
Ferruginous bodies (asbestosis: increased chance of mesothelioma)
57
Keratin pearls on a skin biopsy
Squamous cell carcinoma
58
Large lysosomal vesicles in phagocytes, immunodeficiency
Chediak-Higashi disease (congenital failure of phagolysosome formation)
59
Lead pipe appearance of colon on barium enema x-ray
Ulcerative colitis (loss of haustra)
60
Linear appearance of lgG deposition on glomerular basement membrane
Goodpasture's syndrome
61
Low serum ceruloplasmin
Wilson's disease (hepatolenticular degeneration)
62
Lumpy bumpy appearance of glomeruli on immunofluorescence
Poststrcptococcal glomerulonephritis (immune complex deposition of lgG and C3b)
63
Lytic ("hole punched") bone lesions on x-ray
Multiple myeloma
64
Mammary gland ("blue domed") cyst
Fibrocystic change of the breast
65
Monoclonal antibody spike (4)
* Multiple myeloma (usually lgG or lgA) * Monoclonal gammopathy of undetermined significance (MGUS ; normal consequence of aging) * Waldenstrom's (M protein = IgM) macroglobulinemia * Primary amyloidosis
66
Mucin-filled cell with peripheral nucleus
Signet ring (gastric carcinoma)
67
Narrowing of bowel lumen on barium x-ray
"String Sing" (Crohn disease)
68
Necrotizing vasculitis (lungs) and necrotizing glomerulonephritis
Granulomatosis with polyangiitis (Wegener's; c-ANCA) and | Goodpasture's syndrome (anti-basement membrane antibodies)
69
Needle-shaped, negatively birefringent crystals
Gout (monosodium urate crystals)
70
Novobiocin response
Sensitive: Staphylococcus epidermidis; resistant: Staphylococcus saprophyticus
71
Nutmeg appearance of liver
Chronic passive congestion of liver due to right heart failure
72
"onion skin" periosteal reaction
Ewing's sarcoma (malignant round-cell tumor)
73
Optochin response
Sensitive: Streptococcus pneumoniae; resistant: Viridans streptococcus
74
Periosteum raised from bone, creating triangular area
Cadman's triangle on x-ray (osteosarcoma, Ewing's sarcoma, pyogenic osteomyelitis)
75
Podocyte fusion or "effacement" on electron microscopy
Minimal change disease (child with nephrotic syndrome)
76
Polished, "ivory like" appearance ofbone at cartilage erosion
Eburnation (osteoarthritis resulting in bony sclerosis)
77
Protein aggregates in neurons from hyperphosphorylation of protein tau (2)
Neurofibrillary tangles (Alzheimer's disease) and Pick's bodies (Pick's disease)
78
Psammoma bodies (4)
Meningiomas, papillary thyroid carcinoma, mesothelioma, papillary serous carcinoma of the endometrium and ovary
79
Pseudopalisading tumor cells on brain biopsy
Glioblastoma multiforme
80
RBC casts in urine
Acute glomerulonephritis
81
Rectangular, crystal-like, cytoplasmic inclusions in Leydig cells
Reinke crystals (Leydig cell tumor)
82
Renal epithelial casts in urine
Acute toxic/viral nephrosis
83
Rhomboid crystals, positively birefringent
Pseudogout (calcium pyrophosphate dihydrate crystals)
84
Rib notching
Coarctation of the aorta
85
Ring-enhancing brain lesion in AIDS (2)
Toxoplasma gondii, CNS lymphoma
86
Sheets of medium-sized lymphoid cells with scattered pale, tingible body-laden macrophages ("starry sky" histology)
Burkitt's lymphoma (t[8:14] c-myc activation, associated with EBV; "black sky" made up of malignant cells)
87
Silver-staining spherical aggregation of tau proteins in neurons
Pick bodies (Pick's disease: progressive dementia, changes in personality)
88
"Soap bubble" in femur or tibia on x-ray
Giant cell tumor of bone (generally benign)
89
"Spikes" on basement membrane, "dome like" subepithelial deposits
Membranous glomerulonephritis (may progress to nephrotic syndrome)
90
Stacks of RBCs
Rouleaux formation (high ESR, multiple myeloma)
91
Stippled vaginal epithelial cells
Clue cells (Gardnerella vaginalis)
92
Tennis racket shaped cytoplasmic organelles (EM) in Langerhans cells
Birbeck granules (Langerhans cell histiocytosis or histiocytosis X: eosinophilic granuloma)
93
Thrombi made of white/red layers
Lines of Zahn (arterial thrombus, layers of platelets/RBCs)
94
Thumb sign on lateral x-ray
Epiglottitis (Haemophilus influenzae) - Keller called this "steeple sign"
95
Thyroid-like appearance of kidney
Chronic bacterial pyelonephritis
96
Tram-track appearance of capillary loops of glomerular basement membranes on light microscopy
Membranoproliferative glomerulonephritis
97
Triglyceride accumulation in liver cell vacuoles
Fatty liver disease (alcoholic or metabolic syndrome)
98
"Waxy" casts with very low urine flow
Chronic end-stage renal disease
99
WBC casts in urine
Acute pyelonephritis
100
WBCs that look "smudged"
CLL (almost always B cell)
101
Wire loop glomerular capillary appearance on light microscopy
Lupus nephropathy
102
Yellowish CSF
Xanthochromia (e.g., due to subarachnoid hemorrhage)
103
Nodular hyaline deposits in glomeruli
Kimmelstiel-Wilson nodules (diabetic nephropathy)