Microscopic examination shows typical spindle cell
arrangement of histiocytes and ZN stain shows histiocyes filled with acid-fast mycobacterium.
Histology reveals that tumour shows both malignant spindle cells
and epithelial components.
The histologic types include adipocytic, sclerosing, spindle cell
, and inflammatory variants.
Key Words: Spindle cell
tumor, neural tumor, oral cavity, S100, schwannoma, neurofibroma, traumatic neuroma, MPNST, GCT.
Angiomyofibroblastomalike tumour of the male genital tract: Analysis of 11 cases with comparison to female angiomyofibroblastoma and spindle cell
In the histopathological examination, spindle cell
lipoma shows short stubby nuclei, ropey collagen, and variable proportions of fat.
Lipomatous myofibroblastoma: a potential diagnostic pitfall in the spectrum of the spindle cell
lesions of the breast.
Based on the above features, a diagnosis of spindle cell
tumor was made.
Caption: Figure 2: Malignant poorly formed epithelial glands with surrounding malignant spindle cell
sarcoma (H&E x10 objective).
However, no case of spindle cell
lipoma of the thumb adherent to the digital nerve has been reported in the literature.
In general, a combination of antigens is used to help exclude other spindle cell
lesions and confirm the diagnosis of MPNST .
Spitzoid tumors represent a group of melanocytic neoplasms composed of distinct epithelioid and/ or spindle cells
and are important because of their mimicry of malignant melanoma.