Melanoma

The slide shows melanin pigmentation in the cytoplasm.

The cells are oval to spindal in appearance.

A few tumour cells in the mitosis are seen.

Chronic pyelonephritis

The slide shows periglomerular fibrosis.

Thyroidisation in the tubules is seen.

The atrophied glomeruli due to hyalinisation are seen.

There is inflammatory infiltrate containing plasma cells and lymphocytes.

The arterial wall is thickened.

Renal Cell Carcinoma

The RCC slide shows areas of haemorrhage and necrosis.

There are clear cells which are tumour cells with clear cytoplasm and hyperchromatic nuclei.

Thin fibrous septa are seen.

Congested blood vessels are seen.

Seminoma of Testis

Its a major germ cell tumer.

The slide shows clear cell cytoplasmic oval tumour cells.

They have prominent nucleoli in their nucleus.

Hodgkin's Lymphoma

(Lymphocyte depletion type)

The characteristic Reed-Sternberg cells are present in the cells.

The lymphocytes are seen depeted.

Atypical mononuclear cells are seen.

The capsule also contains infiltration.

Tuberculous Meningitis

The subarachnoid space is filled with exudate.

There are lymphocytes,histocytes and epithelial cell present.