Pilar leiomyomas are benign circumscribed tumors composed of intersecting fascicles and bundles of smooth muscle. Tumor nuclei are elongated and blunt-ended or "boxcar" shaped. The cytoplasm is eosinophilic. Mitoses are scarce or absent.
Weill Cornell Medicine Dermatopathology
1300 York AvenueRoom F-309Box #58
New York, NY 10065
Phone: (212) 746-6434