-Carcinoma in proximal stomach is common in young and upper socioeconomic group.

-Carcinoma in distal stomach is common in old and lower socioeconomic groups.

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-Carcinoma stomach is the commonest cause of Krukenberg’s tumour.

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Cave!

-Ceftriaxone is contraindicated in patients aged < 1 month because of a higher risk of biliary sludging and kernicterus.

#Medicine

Cave!

Tetracycline is contraindicated in:
-Children < 8 years of age
-Pregnant women
-Breastfeeding women.

#Medicine

•What is acromegaly?

-Acromegaly is characterized by generalized enlargement of the whole body, due to excess growth hormone secretion from pituitary macroadenoma (> 10 mm) after union of epiphysis.
-If occurs before the union of epiphysis, it is called gigantism.


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#Endocrine

•Why it is called acromegaly?

-Because of the enlargement of peripheral (acral) parts of body (acral means periphery and megaly means big).

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•What are the causes of prominent supraorbital ridge?

1-Ricket
2-Paget's disease
3-Achrondroplasia
4-Hydrocephalus
5-Hereditary hemolytic anemia.

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#Endocrine

•What are the causes of macroglossia?

1-Acromegaly
2-Hypothyroidism
3-Amyloidosis
4-Down's syndrome.

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#Endocrine

•What are the causes of baggy eyelids?

1-Old age
2-Myxedema
3-Acromegaly
4-Alcoholism
5-Nephrotic syndrome or acute glomerulonephritis.

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#Endocrine

•What are the signs of active acromegaly?

-Signs of activity:
1-Progressive increase in the size of the body
2-Excessive sweating
3-Increasing visual field defect
4-Large skin tags (Molluscum fibrosum)
5-Presence of glycosuria (diabetes mellitus)
6-Hypertension
7-Progressive headache
8-Enlarging thyroid.

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#Endocrine

•What are causes of death in acromegaly?

1-Heart failure
2-Complications of hypertension
3-Complications of DM
4-Coronary artery disease
5-Tumor expansion (mass effect) 6-There is an increased death due to neoplasia, especially colon tumor
7-Pituitary apoplexy.

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#Endocrine

•ACUTE GASTRIC DILATATION

-It is an enormous acute dilatation of stomach with atonic gastric wall without peristalsis.
-Stomach distends enormously occupying most of the abdomen and pelvis causing sequestration of lots of fluid resulting in hypovolaemia.

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•Causes of Acute Gastric dilatation:

1-After major surgery (abdomen,. neurosurgery).
2-Trauma, burns.
3-Retroperitoneal haematoma.
4-Electrolyte imbalance.
5-Other causes: Anorexia nervosa, bulimia, polyphagia, drug abuse, diabetes, anaesthesia, debilitating diseases, spinal cord diseases, muscle dystrophy.

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•COMPLICATIONS OF GASTRIC SURGERY:

1-Haemorrhage.
2-Stomal obstruction.
3-Biliary fistula.
4-Injury to CBD.
5-Duodenal blow out—on 4th postoperative day.
6-Pancreatitis.
7-Recurrent ulcer/stomal ulcer.
8-Gastrojejunocolic fistula.
9-Dumping syndrome (Postcibal syndrome).
10-Nutritional disturbances, diarrhoea.
11-Pulmonary tuberculosis.
12-Carcinoma in gastric remnant (after 10–15 years).
13-Gallstone formation.
14-Alkaline gastritis.
15-Afferent and efferent loop. syndrome.
16-Afferent loop obstruction-common.
17-Efferent loop obstruction.

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•HYPERTROPHIC PYLORIC STENOSIS

-There is increased risk of developing the condition if new- born gets erythromycin or azithromycin in first 14 days after birth.

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#Pediatrics

•Ultrasound abdomen (very useful) in PS:

-Doughnut sign.
-Pyloric muscle 4 mm or more in thickness.
-Length of pyloric canal >14 mm.
-Cervix sign on long avis, target sign on short axis.

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•Precancerous lesions of Gastric Cancer:

1•H. pylori infection, chronic gastritis
2•Pernicious anaemia
3•Intestinal metaplasia
4•Adenomatous polyps more than 2 cm
5•Agammaglobulinaemia
6•Benign gastric ulcer
7•Previous gastric surgery
8•Stomach remnant (stump carcinoma)
9•Menetrier’s disease.
10•Benign gastric ulcer.

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DUODENAL BLOW-OUT 5%:

-It is a very serious complication of Billroth II gastrectomy, occurs usually on 4–5th day after surgery.

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DUMPING SYNDROME(Post-cibal Syndrome):

-It is common in females, seen after Billroth II surgery.

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•EARLY DUMPING SYNDROME:

-It is common and more severe type Incidence is 10% Vasomotor symptoms appear immediately after food, lasts for 30-40 minutes, aggravated by bulky food.
-It is relieved by lying down, aggravated by more food.

-Clinical features: Sweating, tachycardia, colicky pain and diarrhoea, Hypotension and features of hypovolaemia.

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•LATE DUMPING SYNDROME:

-It is of less severe type Incidence is 5% It usually occurs 2 hours after meal.
-It is relieved by glucose and aggravated by exercise.

-Pathogenesis: Due to initial hyperglycaemia insulin secretion is stimulated which in turn leads to hypoglycaemia.

-Clinical features: Tremor, fainting, nausea, Features of hypoglycaemia.

-Treatment: Symptoms are less severe and so treated conservatively, by giving glucose and food.

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