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  Indian J Med Microbiol
 

Figure 1: (a) Clinical photograph of the swelling (b) X-ray of knee joint (lateral view) shows lytic expansile lesion of the head of fibula (c) Fine needle aspiration cytology of the lesion shows clusters of malignant squamous cells (triangle) with evidence of keratinization (solid arrow) (100×) with evidence of intracytoplasmic keratinization (solid arrow, inset) (400×) (d) H. and. E stained section showing malignant squamous cells with hyperchromatic nuclei and dense eosinophilic cytoplasm (arrow) (H and E x400)

Figure 1: (a) Clinical photograph of the swelling (b) X-ray of knee joint (lateral view) shows lytic expansile lesion of the head of fibula (c) Fine needle aspiration cytology of the lesion shows clusters of malignant squamous cells (triangle) with evidence of keratinization (solid arrow) (100×) with evidence of intracytoplasmic keratinization (solid arrow, inset) (400×) (d) H. and. E stained section showing malignant squamous cells with hyperchromatic nuclei and dense eosinophilic cytoplasm (arrow) (H and E x400)