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pubmed:abstractText |
The protean morphology of malignant melanoma is diagnostically challenging. Balloon cell melanoma is a histologic variant composed predominantly or entirely of large cells with abundant, vacuolated cytoplasm. It shares the cytologic features of the other subcategories of malignant melanoma, such as discohesion, nuclear pleomorphism and intranuclear cytoplasmic pseudoinclusions, but generally lacks melanin pigment and, as the name would suggest, is characterized by the presence of numerous cytoplasmic vacuoles.
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