45. Nodular melanoma: Difference between revisions
(Created page with "'''Staining''': HE '''Organ''': Skin '''Description''': Like the name implies the tumor forms a nodule. The tumor cells are highly atypical, bordering on anaplastic. Some of the tumor cells contain melanin. Tumor cells are present in the epidermis as well. '''Diagnosis''': Nodular melanoma '''Causes''': * Sun exposure '''Theory''': The presence of tumor cells in the epidermis is essential to establish the diagnosis of ''primary'' melanoma. If there were no tumor...") |
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Revision as of 21:05, 15 November 2022
Staining: HE
Organ: Skin
Description:
Like the name implies the tumor forms a nodule. The tumor cells are highly atypical, bordering on anaplastic. Some of the tumor cells contain melanin.
Tumor cells are present in the epidermis as well.
Diagnosis: Nodular melanoma
Causes:
- Sun exposure
Theory:
The presence of tumor cells in the epidermis is essential to establish the diagnosis of primary melanoma. If there were no tumor cells there the lesion could have been a melanoma metastasis rather than the primary tumor.
