Melanoma desmoplastic Images
Go to article Melanoma desmoplastic
melanoma, malignant, desmoplastic. overview magnification: diffuse infiltration of the upper and middle dermis by cell trains of atypical, hyperchromatic, spindle cells. broad, eosinophilic collagenous stroma. no melanocyte nests detectable in the epidermis.
Melanoma, malignant, desmoplastic. fascicular, interwoven cell trains of atypical, hyperchromatic, spindle cells, which lie between the collagenous fibres. occasionally mitoses. little pigment.
Melanoma, malignant, desmoplastic. immunohistology: S100-positive cell clusters in broad collagen bundles.