-Sigmoid is the commonest site of diverticula and inflammation and commonest site of colorectal carcinoma about 25٪ after rectum.

#Surgery

Meckel's diverticulum is the most prevalent congenital anomaly of GIT, about 2٪.

#Surgery
#Pediatrics

-Meckel's diverticulum is the most common cause of bleeding per rectum in children.

#Surgery

-Jejunal diverticula are associated with Sait triad which contains GB stones and hiatus hernia. Because there is motility disorder and CT disease.

#Surgery

-Haemangioma is the most common benign tumor of liver.

-Hepatocellular carcinoma is the most common primary malignant tumor of the liver.

-Secondary tumors of liver are the most common!

#Surgery

Hepatoblastoma is the most common malignant tumor of the liver in children.

#Surgery

Primary sclerosing cholangitis =Primary biliary cirrhosis.

#Medicine

The liver is the second most common site of metastasis for all cancer of the abdominal viscera.

#Surgery

The lymph nodes are the most common site of metastasis for all cancer of the abdominal viscera.

#Surgery

Whipple's operation:

It is done for treatment of pancreas adenocarcinoma.
It contains removal of head and neck of the pancreas, whole duodenum, antrum of stomach, GB and CBD.
Then anastomoses: hepatic and pancreatic ducts and stomach to the jejunum.

#Surgery

Complications of Cystic hygroma:

1-Respiratory distress
2-Infection → Abscess → Septicaemia
3-Surgery itself may cause torrential haemorrhage
4-Chylous fistula, chylothorax
5-Recurrence of cyst – 15%.

#Surgery
#Pediatrics

Stages of tuberculous lymphadenitis:

1. Stage of infection, and lymphadenitis
2. Stage of periadenitis with matting
3. Stage of caseating necrosis and cold abscess formation
4. Stage of formation of collar stud abscess
5. Stage of formation of sinus which discharges yellowish caseating.

#Surgery

The pre-cancerous lesions of esophagus includes:

1-Barrett esophagus
2-Plummer vinson syndrome
3-Tylosis
4-Achalasia.

#Surgery

Anovulation is an anovulatory cycle or a menstrual cycle during which the ovaries do not release an oocyte. Therefore, ovulation does not take place. 

#Obs_Gyne

Polycystic ovary syndrome(PCOS) is a set of symptoms due to elevated androgens (male hormones) in women.

#Gynecology

Life saving treatment in PPH

Once PPH has been identified , involve the following :
1- Identify possible PPH
2- call for help
3- ABC
4- give O2 for pt .
5- insert 2 Large bore IV access
6- CBC/cross-match and type
7- insert Foley catheter
8- massage of uterus
9- diagnosis of 4 “ Ts “ & spescific treatment accordingly.

#Obstetrics