Brain

34 years female presented with progressive headache with episodes of vertigo.
Clinical Diagnosis - left frontoparafalcine glioma.
MRI : s/o left frontal solid cystic ICSOL.

- One H&E stained sect

This malignant neoplasm is composed of large neoplastic lymphocytes. CD-45, CD-20, and CD-45RO are positive. CD-3 is negative.

The tumor consists of well-differentiated keratinizing squamous epithelium in a papillary architecture.

The tumor consists of well-differentiated keratinizing squamous epithelium in a papillary architecture.

The tumor is predominantly the tall cell variant of papillary thyroid carcinoma. There is no evidence of a follicular carcinoma component in this specimen.

The stromal cells in this tumor show high lipid content by oil-red-O staining in frozen section.