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
@aravindranmd
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
MCL Education (@mmledu)

MCL Education

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