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Pathology - 3 Questions
Splenomegaly is not usually seen in sickle cell anemia; instead, autosplenectomy often occurs due to repeated splenic infarctions.
In the context of Addison's disease, which of the following hormones would be expected to be decreased in the blood?1) Cortisol2) Aldosterone3) Renin4) Thyroxine (T4)
An undifferentiated malignant tumor on immunohistochemical stain shows cytoplasmic positivity of most of the tumor cells for cytokeratin. The most probable diagnosis of the tumor is:
1) Sarcoma
2) Lymphoma
3) Carcinoma
4) Malignant melanoma
Cytokeratin positivity in an undifferentiated malignant tumor suggests that the tumor is likely a carcinoma, as cytokeratins are markers for epithelial cells.
MCQ