Pathology Quiz Bowl 2023

Which variant of focal segmental glomerulosclerosis (FSGS) has the worse prognosis, superseding other variants?

18 month old child with lesion on face; where is the most common EXTRA cutaneous site involved?

This tumor from the skin is positive for neuroendocrine markers and AE1/AE3 (paranuclear punctate staining).

In changing a new reagent lot, the ISI (international sensitivity index) is not updated - which lab test will be wrong?

28 yo with low urine output for 6 days. UA = 1+ protein, 4+ hematuria. IF shown here, what do you expect on biopsy?

Which of the following immunostain profiles is expected in the tumor seen here?

A midline suprasellar mass is excised from a young patient. What is most likely finding?

Which of the following best characterizes MDS/MPN with ring sideroblasts and thrombocytosis (aka RARS-T)?

Which of the following findings is typical in a patient with DIC?

How can we best prevent TA-GVHD in a pediatric patient receiving granulocytes for fungal infection after BMT?

The most common gene rearranged in myoepithelial tumors is:

A 36 year-old man with mild anemia has the blood smear features seen here. What Rh abnormality may also be present?

A key feature separating TRALI from TACO is:

Kidney shows acute tubular injury with positive myoglobulin in tubular casts. What is the most likely clinical history?

Dilution of urine samples for drug of abuse testing can be confirmed by measuring:

A pregnant woman is suspected to have an anti-G, as she has anti-D and anti-C. When would RhIG be indicated?

Which RBC antigen is considered the receptor for Plasmodium vivax?

Patient with no hx of transfusion has these DAT results. Eluate reacts with 11/11 cells. Which is most likely?

A plasmapheresis patient complains of perioral tingling - which of the following is the likely cause?

Subacute panniculitis-like T-cell lymphoma is characterized by:

30 year-old with tibia lesion. What mutation is most likely?

Which is the marker used for stem cell aquisition during BMT?

Which is the correct association of product and "shelf-life"?

Which of the following is the gold standard for PNH testing?

This cystic lesion is found in the proximal tibia of a young boy. FISH detects USP6 gene rearrangement.