Adrenal gland – Pheochromocytoma with strong somatostatin immunostaining of a large subset of tumor cells

Adrenal gland – Pheochromocytoma with strong somatostatin immunostaining of few scattered cells

Adrenal gland – Pheochromocytoma with strong somatostatin immunostaining of tumor cells

Adrenal gland – Somatostatin negative adrenocortical adenoma

Adrenal gland – Somatostatin negative pheochromocytoma

Colon – Colorectal adenocarcinoma with strong somatostatin immunostaining of tumor cells

Colon – Somatostatin negative colorectal adenocarcinoma

Esophagus – Neuroendocrine carcinoma with strong somatostatin immunostaining of tumor cells

Esophagus – Somatostatin negative adenocarcinoma

Esophagus – Somatostatin negative squamous cell carcinoma

Kidney – Clear cell renal cell carcinoma with strong somatostatin immunostaining of tumor cells

Kidney – Somatostatin negative clear cell carcinoma

Lymph node – Somatostatin negative Hodgkin’s lymphoma

Ovary – Brenner tumor with strong somatostatin positivity of a fraction of tumor cells

Ovary – Endometroid carcinoma with strong somatostatin immunostaining of tumor cells

Ovary – Serous high-grade carcinoma containing a subset of cells with strong somatostatin positivity

Ovary – Serous high-grade carcinoma with strong somatostatin immunostaining of a subset of tumor cells

Pancreas – Neuroendocrine tumor with strong somatostatin immunostaining of tumor cells.

Pancreas – Neuroendocrine tumor with strong somatostatin immunostaining of tumor cells

Pancreas – Somatostatin negative neuroendocrine tumor

Penis – Somatostatin negative squamous cell carcinoma

Prostate – Somatostatin negative adenocarcinoma (Gleason 3+3=6)

Salivary gland – Somatostatin negative Warthin tumor

Skin – Somatostatin negative Merkel cell carcinoma

Soft tissue – Somatostatin negative leiomyosarcoma

Stomach – Somatostatin negative gastrointestinal stromal tumor (GIST)

Testis – Somatostatin negative Leydig cell tumor

Testis – Somatostatin negative seminoma

Thyroid – Medullary cancer with strong somatostatin immunostaining of tumor cells

Thyroid – Somatostatin negative medullary carcinoma

Thyroid – Somatostatin negative papillary carcinoma

Urinary bladder – Somatostatin negative muscle-invasive urothelial carcinoma

Urinary bladder – Somatostatin negative small cell carcinoma