PMC7596008_01
The photomicrograph shows diffuse strong positivity of tumour cells for HMB 45 in oral melanoma (IHC, x400).
gr1.jpg
PMC7596008_01_gr1.jpg
fig0005
A diagnosis of pT4aNxMx stage IVa OMM and DFSP pT2, N0, M0 respectively were made (Fig. 1, Fig. 2, Fig. 3).
Tissue section from the tumour showed spindle cells in fascicles, long sweeping bundles arranged in focal storiform as well as whorled pattern with collagen.
gr3.jpg
PMC7596008_01_gr3.jpg
fig0015
A diagnosis of pT4aNxMx stage IVa OMM and DFSP pT2, N0, M0 respectively were made (Fig. 1, Fig. 2, Fig. 3).