Malignant aneuploid spindle-cell transformation in a proliferating trichilemmal tumour.

@article{AlvarezQuiones1993MalignantAS,
  title={Malignant aneuploid spindle-cell transformation in a proliferating trichilemmal tumour.},
  author={Mercedes Perez Alvarez-Qui{\~n}ones and Mar{\'i}a Francisca Garijo and Fidel Angel N{\'u}{\~n}ez Fern{\'a}ndez and Jos{\'e}-Fernando Val-Bernal},
  journal={Acta dermato-venereologica},
  year={1993},
  volume={73 6},
  pages={
          444-6
        }
}
A case of spindle-cell carcinoma developed on a proliferating trichilemmal tumour (PTT) is presented. The tumour on the scalp of an 84-year-old white woman was excised and histological examination showed typical features of PTT, but with a coexistent malignant spindle-cell tumour with a sarcomatoid appearance. There were some areas of transition between squamous trichilemmal epithelium and the neoplastic mass composed of atypical spindle-shaped cells. Two years later, the patient was well, and… CONTINUE READING