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[Eccrine porocarcinoma with extensive cutaneous metastasis]
P D Ghislain1, L Marot, D Tennstedt
1Service de Dermatologie, Cliniques Universitaires Saint-Luc-UCL, Bruxelles, Belgique. PierreDominique.Ghislain@advalvas.be
Annales De Dermatologie Et De Venereologie
|April 9, 2002
Summary
This case report details an exceptionally widespread porocarcinoma, a rare malignant sweat duct tumor. Despite radiotherapy, the aggressive epidermotropic variant showed continued progression, highlighting challenges in managing extensive cutaneous involvement.
Area of Science:
- Dermatology
- Oncology
- Pathology
Background:
- Porocarcinoma is a rare malignant tumor originating from the eccrine sweat duct's acrosyringium.
- Tumoral lesions typically involve deep dermal tissues.
Observation:
- An 84-year-old woman presented with extensive porocarcinoma on her left lower limb, manifesting as numerous metastatic papules and nodules.
- The clinical presentation mimicked lymphangioma, with diagnosis confirmed histopathologically.
- The epidermotropic variant, a more aggressive form, was observed.
Findings:
- Radiotherapy provided temporary relief, reducing lesion size and improving lymphatic drainage.
- Despite initial response, radiotherapy did not halt the tumor's progression.
- The case is exceptional due to the widespread cutaneous involvement, with only one other similar case reported in the literature.
Implications:
- This case underscores the aggressive nature of the epidermotropic variant of porocarcinoma.
- It highlights the challenges in managing extensive and widespread cutaneous malignancies.
- Further research into effective long-term treatment strategies for advanced porocarcinoma is warranted.