Japanese Journal of Clinical Oncology, Vol 29, Issue 2 109-111, Copyright © 1999 by Foundation for Promotion of Cancer Research
M Nozaki, R Fukuda, M Kawashima, Y Fujii, Y Furuse and K Yoshida
We report a case of a pulmonary metastasis 16 years after the initial
surgery for a malignant melanoma. The patient was a 58-year-old Japanese
man. In 1976, he had a pigmented skin lesion with a diameter of 8 mm on his
right third finger. He received an amputation of the finger and a
dissection of the right axillary. Histological examinations of the tumor
revealed a feature of a malignant melanoma with infiltration of the
papillary layers of the dermis, 1.5 mm in thickness. The histological
subtype was considered to be an acral lentiginous melanoma with a mixed
spindle-epithelioid cell pattern. There was no regional lymph node
metastasis. In December 1992, when he was 74-years-old, a round tumor in
the left lower lung was discovered by chest radiography. In February 1993,
he received a left lower lobectomy of the lung. Histological examination
revealed a feature of a malignant melanoma with predominantly epithelioid
cells and this was considered to be a metastasis from the initial skin
lesion. Five months after the lobectomy, he died from a hemorrhage of a
metastatic brain tumor. This case indicated the importance of periodic,
life-long follow-up in treating malignant melanomas.
ORIGINAL ARTICLE
A case of a malignant melanoma with late metastases 16 years after the initial surgery
Department of Radiology, Kiryu Kosei General Hospital, Gunma, Japan.
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