Related Experiment Videos
Malignant eccrine spiradenoma: a case report with pulmonary metastasis
Shih-Cheng Chou1, Shong-Ling Lin, Hui-Hwa Tseng
1Department of Pathology and Laboratory Medicine, Veterans General Hospital-Kaohsiung, Kaohsiung, Taiwan, Republic of China. scchou326h@yahoo.com.tw
Pathology International
|March 3, 2004
Summary
Malignant eccrine spiradenoma, a rare sweat gland tumor, can arise from benign forms. This case highlights malignant transformation with sarcomatoid differentiation, suggesting metastatic potential.
Area of Science:
- Dermatopathology
- Oncology
Background:
- Malignant eccrine spiradenoma is an exceptionally rare sweat gland neoplasm.
- It can arise de novo or, more commonly, from a pre-existing benign eccrine spiradenoma.
Observation:
- A case report details a 50-year-old male with malignant transformation of a benign eccrine spiradenoma on his right lateral thigh.
- Histological examination revealed two distinct components: a benign eccrine spiradenoma and a malignant element exhibiting sarcomatoid differentiation.
- Foci of transition between the benign and malignant components suggest the latter arises from the former.
Findings:
- The presence of both benign eccrine spiradenoma and a malignant sarcomatoid component supports the diagnosis of malignant transformation.
- The transition zones provide morphological evidence for the malignant component originating from the benign precursor.
Implications:
- Malignant eccrine spiradenoma possesses the capacity for metastasis and has lethal potential.
- Further research is needed to determine if distinct morphological patterns impact patient outcomes in malignant eccrine spiradenoma.