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Hyalinizing plasmacytic granulomatosis of the falx
M Nazek1, T I Mandybur, R Sawaya
1Department of Pathology and Laboratory Medicine, College of Medicine, University of Cincinnati, Ohio.
The American Journal of Surgical Pathology
|April 1, 1988
Abstract:
Computed tomography scan in a 43-year-old woman revealed a fusiform mass involving the falx. Pathological tissue removed at craniotomy revealed a hyalinizing plasmacytic granulomatosis composed of masses of lymphocytes, plasmacytes, and various sized islands of hyalinized fibers arranged in parallel and surrounded by multinucleated giant cells. Ultrastructurally, the hyalinized fibers consisted of electron-dense, amorphous deposits. After partial removal, irradiation, and steroid therapy, the lesion decreased considerably in size.