pathology ---Q - doc_vic

[ArchivalUser]

A 63-year-old male with fever and anorexia is found to have multiple round lesions in both lung fields. Lab evaluation reveals a Hct of 50%. Bx of one of the lesions show cells with abundant clear sytoplasm and eccentric nuclei. Which of the following is the most likely primary focus of this pt's dis?

A. liver
B. stomach
C. Colon
D. kidney
E. Brain

[ArchivalUser]

b or d
i'll go with d

[ArchivalUser]

D kidney

[ArchivalUser]

D,

Clear cell carcinoma of the Kidney

[ArchivalUser]

bb?signet rings?

[ArchivalUser]

D,clear cell ca.

[ArchivalUser]

the right answer is E. however, how can't it be B, signet carcinoma?

[ArchivalUser]

i got it, Hct50% rule out signet carcinoma

[ArchivalUser]

but Hct50% means polycythemiarenal cancer

[ArchivalUser]

doc_vic
explain please