Micrograph of malignant melanoma

Micrograph of malignant melanomaMicrograph of malignant melanoma. Cytology specimen. Field stain.The micrograph shows features commonly seen in melanoma:

Large (>2x the size of a RBC), dyscohesive cells.

Epithelioid binucleated single cells, "bug-eyed monster cells".

Cells with:

Large nucleoli.
Abundant granular cytoplasm.

Features associated with melanoma but not seen:

Pigment.

Pseudoinclusions.

Singular spindle cells.

Source: Nephron