Showing posts with label pancreas. Show all posts
Showing posts with label pancreas. Show all posts

Sunday, January 14, 2018

Neuroendocrine neoplasms

Neuroendocrine carcinoma 

Carcinoid of small intestine

Trabecular and reticular pattern; not exactly insular


Slight insular pattern seen



Pancreas


Chromogranin



Vague 'cell balls' separated by capillaries

Lung





TTF1 - absent (i.e. not endodermal, unlike lung)

Synaptophysin


Chromogranin

Chromogranin 

Saturday, June 2, 2012

Pancreas

Histology

The dark staining exocrine pancreatic lobules surrounding an islets of langerhans. A duct is seen in right.
Islet of Langerhans

Neoplasms

Solid pseudopapillary neoplasm

A rare pancreatic tumor of young women


Cut surface is a blackish cyst
Showing normal pancreas (left) with neoplasm in right
Solid pseudopapilary neoplasm

Acute Pancreatitis
Blackened pancreas

Blackened omentum around pancreas

Fat necrosis around pancreas

Left - pancreas; right - saponified fat




Saponification

Column chromatography

 A jar of snacks (namkeens) demonstrate the principles of column chromatography to a fairly accurate extent. In a column consisting of diffe...