December 2017 — PathWays Case Study: Dec 19

A 51-year-old woman with a history of right coronary artery to coronary sinus fistula, associated with coronary sinus aneurysm, underwent surgical repair of such. A coronary sinus "thrombus" was removed during surgery and submitted for surgical pathology review. Grossly, the lesion consisted of tan-brown fibromembranous tissue measuring 3.6 cm in greatest dimension. Representative microscopic images (including relevant immunohistochemistry) are shown.

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Melanie Bois, M.D.
Fellow, Division of Cytopathology
Mayo Clinic
Joseph Maleszewski, M.D.

Consultant, Division of Anatomic Pathology
Mayo Clinic
Professor of Laboratory Medicine and Pathology
Mayo Clinic College of Medicine

Erika Fetterman (@erikafetterman)

Erika Fetterman

Erika Fetterman, Editorial Assistant at Mayo Medical Laboratories, supports internal and client-facing communications.