2 MCQs in Pathology for NEET PG
A 3-year-old boy is brought to the pediatric oncology clinic after his mother noticed an abdominal mass during a bath. Ultrasound shows an intrarenal mass that does not cross the midline. Histopathology reveals a triphasic tumor with small round blue cells, tubular epithelial structures, and spindle cell stroma. The structure marked **A** in the diagram represents the blastemal component. Which of the following statements best characterizes the clinical significance of this blastemal component in Wilms tumor?
A 3-year-old boy presents with an abdominal mass detected by his mother during bathing. Imaging shows a unilateral intrarenal mass that does not cross the midline. Histopathology reveals the triphasic pattern characteristic of Wilms tumor. The structure marked **A** in the diagram represents the blastemal component (small round blue cells). Which of the following best describes the embryologic origin and clinical significance of this blastemal component?
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