Surgical notes

⭕ Diagnosis: Gastrointestinal stromal Tumor (GIST) may be benign or malignant 🔶 Feature: the presence of :- -Spindle shaped cells (the arrow in the 1st picture) or Vacuoles which indicates cells with clear cytoplasm (the arrow in the 2nd picture)

⭕ Diagnosis: Neuroendocrine tumor (Carcinoid tumor) 🔶 Feature: Nests of cells, the nuclei of the cells are characterized by the presence of light and dark chormatin "Salt and Pepper nuclear chromatin"

⭕ Diagnosis: Diffuse gastric adenocarcinoma (Signet ring carcinoma) 🔶 Feature: Signet ring cells with abundant cytoplasm

⭕ Diagnosis: Gastric adenocarcinoma 🔶 Feature: Eosinophilic glands invading the musclaris propria (may also invade other layers and other abdominal organs)

⭕ Diagnosis: Gastric carcinoma (gross cut section) 🔶 Feature: thickening of the stomach wall in the pyloric part

⭕ Diagnosis: Malignant ulcer 🔶 Feature: Everted and thickened Edges surrounding the ulcer

⭕ Adenoma (Adenomatous Polyp)_is a pre-cancerous state of tumor. 🔶 -Dysplastic changes of the glands: 1- Stratification of the lining epithelium. 2- nn. at different levels and are hyperchromtic.

⭕ Diagnosis: Gastric hyperplastic polyposis 🔶 Feature: الدكتور اعتبرها نفس ال FGP - Dilated tortuos pits with inflamed edematous stroma (اضافة)

⭕ Diagnosis: Fundic gland polyposis (FGP) -It is not a neoplasm 🔶 Feature: presence of hyperplastic mucus secreting glands, no dysplastic changes -Short gastric pits with superficial and deep cystic pits (اضافة)

⭕ Diagnosis: Polyps in the stomach (by endoscope) 🔶 Feature: Tiny, numerous sessile massess, maybe associated with bleeding

⭕ Diagnosis Intestinal metaplasia in the stomach - may be caused by Autoimmune chronic gastritis 🔶 Feature: Presence of Goblet cells

Slide 38: ❗️Menetrier Disease (Hypertrophic gatrophathy). ‼️Giant Mucosal Folds. #معمل_باثو #سلايدات

Slide 39: ❗️Menetrier Disease. ‼️*dialted gastric pits and glands. *Hyperplasia of faveolar cells. #معمل_باثو #سلايدات

Slide 37: ❗️Peptic Ulcer Disease (PUD). ‼️Four zones: 1- Necrotic Zone 2- area of Acute inflammation 3- granulation tissue 4- Area of Chronic inflammation and fibrosis. #معمل_باثو #سلايدات

Slide 36: ❗️Benign Peptic Ulcer. ‼Area of necrosis. Normal thickness. clear base. With inverted edges. #معمل_باثو #سلايدات

Slide 35: ❗️Chronic autoimmune gastritis. ‼️lymphocyte infilteration without formation of follicles. no neutropils. intestinal metapalsia. atrophy of musculosa. #معمل_باثو #سلايدات

Slide 34: ❗️Chronic active gastritis caused by H.Pylori. ‼️ Coma-Shaped esionophilic figures (H.Pylori). #معمل_باثو #سلايدات

Slide 33: ❗️Chronic active Gastritis (Due to H.Pylori). ‼️intraepithlial neutrophils. #معمل_باثو #سلايدات

Slide 32: ❗️Chronic Gastritis caused by H.Pylori. ‼️Infilteration of L.P by large No. of lymphocytes. #معمل_باثو #سلايدات

Slide 31: ❗️Chronic Gastritis. ‼️Intraepthelial neutrophils. hyperplsia of lymphoid tissue (2ry Lymphoid follicles). #معمل_باثو #سلايدات