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[Primary multiple malignant melanomas of unusually long duration].
Zeitschrift Fur Hautkrankheiten
|November 15, 1976
Summary
Superficial spreading melanoma (SSM) does not prevent new primary melanomas. Spontaneous regression of metastases, even with vitiligo-like lesions, did not stop further melanoma spread.
Area of Science:
- Dermatology
- Oncology
- Pathology
Background:
- Malignant melanoma is a significant health concern.
- Understanding melanoma subtypes and patient outcomes is crucial for effective treatment.
- Superficial spreading melanoma (SSM) is a common subtype.
Observation:
- Three out of 117 patients with malignant melanoma had a history of superficial spreading melanoma (SSM).
- These patients developed new primary melanomas, not metastases, indicating SSM does not confer protection.
- One patient with a long-standing pigmented tumor experienced sudden spread, with some metastases regressing to vitiligo-like lesions.
Findings:
- Superficial spreading melanoma (SSM) offers no cross-protection against developing other primary melanoma types (superficial or nodular).
- Spontaneous regression of melanoma metastases, even those associated with vitiligo-like depigmentation and melanin deposits, does not guarantee protection against new metastatic disease.
- The patient with spontaneous regression developed new metastases in lymph nodes and potentially the liver.
Implications:
- Patients with superficial spreading melanoma (SSM) require vigilant monitoring for new primary melanomas.
- The phenomenon of spontaneous regression, while intriguing, may not be a reliable indicator of complete disease control.
- Further research is needed to understand the mechanisms of melanoma development and regression for improved therapeutic strategies.