Nodular melanoma mimicking keratoacanthoma: lessons to learn
SQUMJ-Sultan Qaboos University Medical Journal. 2012; 12 (3): 360-363
in English
| IMEMR
| ID: emr-146131
ABSTRACT
A 67-year-old man of Chinese descent presented with a painless nodular lesion that had been present on his right forearm for the previous 3 months. A single, well-defined, dome-shaped, firm nodule with a central keratin plug surrounded by erythema was noted. Keratoacanthoma with secondary bacterial infection was suspected and the patient underwent an excision biopsy. Biopsy of the nodule and immunohistochemical staining supported a diagnosis of nodular malignant melanoma. It should be noted both that nodular malignant melanoma may present with a wide variety of clinical appearances, and that the lack of melanin pigment in nodular malignant melanoma may hinder the diagnosis of this aggressive tumour
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Index:
IMEMR (Eastern Mediterranean)
Main subject:
Biopsy
/
Review Literature as Topic
/
Positron-Emission Tomography
/
Melanoma
/
Neoplasm Metastasis
Type of study:
Case report
Limits:
Humans
/
Male
Language:
English
Journal:
Sultan Qaboos Univ. Med. J.
Year:
2012
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