May 2019 — Anatomic and Clinical Pathology: Case 4

A 33-year-old previously healthy female presented with a painless abdominal lump. CT scan revealed an 8.6 cm homogeneous soft tissue mass centered in the right central mesentery with associated lymphadenopathy involving the mesenteric, retroperitoneal, and para-aortic lymph nodes. CBC showed hemoglobin of 12.6 g/dL, platelets of 304 x 10(9)/L and WBC of 7 x 10(9)/L. Core needle biopsy of the right mesenteric mass was performed. Immunohistochemical stains were negative for keratin, SOX10, CD3, CD10, CD19, CD20, CD30, ALK, BCL2, BCL6, MYC, and MUM1.

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Photo of Aishwarya Ravindran, M.B.B.S.Aishwarya Ravindran, M.B.B.S.
Resident, Anatomic and Clinical Pathology
Mayo Clinic
Photo of Aishwarya Ravindran, M.B.B.S.Karen Rech, M.D.
Consultant, Hematopathology
Mayo Clinic
Assistant Professor of Laboratory Medicine and Pathology
Mayo Clinic College of Medicine

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