1. Proliferating pilar (trichilemmal) cyst: Report of two cases, one with carcinomatous transformation and one with distant metastasis;Amaral;Arch Pathol Lab Med,1984
2. Merkel cell carcinoma;Andrew,1991
3. Sarcomas involving the skin and superficial tissues;Andrew,1991
4. Hemangiopericytoma;Auguste;J Surg Oncol,1982
5. Mucinous (adenocystic) carcinoma of the skin;Baandrup;Dermatologica,1982