Usmle Step 1 First Aid
"wire loop" appearance on Light lupus nephropathy
microscopy- diagnosis?
neutrophil chemotaxis abnormality - due to failure of IFN-gamma production by
what is the defect in Job's syndrome?
helper T cells
xanthochromia of CSF - diagnosis? subarachnoid hemorrhage
mets > astrocytoma (including glioblastoma multiforme) > meningioma >
4 most common brain tumors in adults
schwannoma
most common supratentorial brain tumor craniopharyngioma
in kids
most common bug in debilitated, Klebsiella
hospitalized pneumonia patient
pseudopalisade tumor cell arrangement - glioblastoma multiforme
diagnosis?
pseudorosettes - diagnosis? Tumour(Ewing's sarcoma)
nutmeg liver - diagnosis? CHF
"Orphan Annie" nuclei - diagnosis? papillary carcinoma of the thyroid
painless jaundice - diagnosis? pancreatic cancer (of head)
most common liver disease alcoholic liver disease
"brown tumor" of bone - possible hyperparathyroidism or osteitis fibrosa cystica (von Recklinghausen's disease)
diagnoses? - color is due to hemorrhage in cysts
- what causes the brown color?
renal epithelial casts in urine - diagnosis? acute toxic/viral nephrosis
most common location of brain tumors in infratentorial
kids
cardiomegaly with apical atrophy - Chagas' disease
diagnosis?
most common mets to bone breast, lung, thyroid, testes, prostate, kidney
most common mets to brain lung, breast, skin (melanoma), kidney (renal cell carcinoma), GI
most common mets to liver colon, gastric, pancreatic, breast, lung carcinomas
most common motor neuron disease ALS
Charcot's triad of cholangitis jaundice, RUQ pain, fever
Charcot-Leyden crystals - diagnosis? bronchial asthma - eosinophil membranes
- what are they?
what is the defect in Chediak-Higashi phagocyte deficiency
disease?
S3 - possible diagnoses? left-to-right shunt (VSD, PDA, ASD), mitral regurgitation, CHF (LV failure)
what are Cheyne-Stokes respirations, and central apnea in CHF and increased intracranial pressure
in what circumstance do they occur?
Schiller-Duval bodies - diagnosis? yolk sac tumor
what does chronic atrophic gastritis gastric carcinoma
predispose to?
what is Sezary syndrome? cutaneous T-cell lymphoma
DES (diethylstilbesterol- prescribed to clear cell adenocarcinoma of the vagina
pregnant women in 60s) exposure in
utero predisposes to what?
1/5
"wire loop" appearance on Light lupus nephropathy
microscopy- diagnosis?
neutrophil chemotaxis abnormality - due to failure of IFN-gamma production by
what is the defect in Job's syndrome?
helper T cells
xanthochromia of CSF - diagnosis? subarachnoid hemorrhage
mets > astrocytoma (including glioblastoma multiforme) > meningioma >
4 most common brain tumors in adults
schwannoma
most common supratentorial brain tumor craniopharyngioma
in kids
most common bug in debilitated, Klebsiella
hospitalized pneumonia patient
pseudopalisade tumor cell arrangement - glioblastoma multiforme
diagnosis?
pseudorosettes - diagnosis? Tumour(Ewing's sarcoma)
nutmeg liver - diagnosis? CHF
"Orphan Annie" nuclei - diagnosis? papillary carcinoma of the thyroid
painless jaundice - diagnosis? pancreatic cancer (of head)
most common liver disease alcoholic liver disease
"brown tumor" of bone - possible hyperparathyroidism or osteitis fibrosa cystica (von Recklinghausen's disease)
diagnoses? - color is due to hemorrhage in cysts
- what causes the brown color?
renal epithelial casts in urine - diagnosis? acute toxic/viral nephrosis
most common location of brain tumors in infratentorial
kids
cardiomegaly with apical atrophy - Chagas' disease
diagnosis?
most common mets to bone breast, lung, thyroid, testes, prostate, kidney
most common mets to brain lung, breast, skin (melanoma), kidney (renal cell carcinoma), GI
most common mets to liver colon, gastric, pancreatic, breast, lung carcinomas
most common motor neuron disease ALS
Charcot's triad of cholangitis jaundice, RUQ pain, fever
Charcot-Leyden crystals - diagnosis? bronchial asthma - eosinophil membranes
- what are they?
what is the defect in Chediak-Higashi phagocyte deficiency
disease?
S3 - possible diagnoses? left-to-right shunt (VSD, PDA, ASD), mitral regurgitation, CHF (LV failure)
what are Cheyne-Stokes respirations, and central apnea in CHF and increased intracranial pressure
in what circumstance do they occur?
Schiller-Duval bodies - diagnosis? yolk sac tumor
what does chronic atrophic gastritis gastric carcinoma
predispose to?
what is Sezary syndrome? cutaneous T-cell lymphoma
DES (diethylstilbesterol- prescribed to clear cell adenocarcinoma of the vagina
pregnant women in 60s) exposure in
utero predisposes to what?
1/5
