09/01/2025
👨⚕️Upcoming Attendance Course Case Study - Basic Abdominal Ultrasound!👨⚕️
Question: While performing a complete abdominal ultrasound in a 3 years old female dog with an history of one single episode of vomiting, the only finding you detect is a very small, markedly hyperechoic nodular lesion affecting the periphery of the spleen adjacent to one of its vessels. What should be your main differential diagnosis for this lesion.
Answer: This small hyperechoic nodular splenic lesion very likely represents an incidental myelolipoma. These lesions often have a perivascular location in the spleen. Myelolipomas are benign focal accumulations of fat mixed with haematopoietic tissue. Small myelolipomas identified within the spleen will have no clinical significance . A definitive diagnosis could be obtained by performing a ultrasound-guided fine needle aspirate of the lesion but the small size and proximity of a vessel will make this procedure challenging.
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