Gastritis differential diagnosis

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Gastritis must be differentiated from peptic ulcer disease, gastric cancer, gastroesophageal reflux disease, gastroenteritis, and Crohn's disease.

Differentiating Gastritis from other Diseases

• Aortic aneurysm (ruptured)
• Candida
• Crohn's Disease
• Cytomegalovirus (CMV) in HIV
• Diseases of the biliary system
• Drugs
• Esophageal varices
• Functional dyspepsia
• Gastric carcinoma
• Gastroduodenal ulcer
• Intoxication
• Liver failure
• Lymphocytic gastritis
• Mallory-Weiss Tear
• Menetrier's Disease
• Pancreas carcinoma
• Pancreatitis
• Peptic ulcer
• Perforated ulcer
• Radiation
• Reflux esophagitis
• Renal Failure
• Respiratory failure
• Sarcoidosis
• Sepsis
• Shock
• Surgery
• Syphilis
• Trauma
• Tuberculosis
• Volvulus
• Zollinger-Ellison Syndrome

• The table below differentiates Gastritis from other conditions

Differential Diagnosis

Disease

Cause

Symptoms

Diagnosis

Other findings

Pain

Nausea & Vomiting

Heartburn

Belching or Bloating

Weight loss

Loss of Appetite

Stools

Endoscopy findings

Location

Aggravating Factors

Alleviating Factors

Acute gastritis

H. pylori NSAIDS Corticosteroids Alcohol Spicy food Viral infections Crohn's disease Autoimmune diseases Bile reflux Cocaine use Breathing machine or ventilator Ingestion of corrosives

Epigastric pain

Food

Antacids

✔

✔

✔

-

✔

Black stools

Pangastritis or antral gastritis Erosive (Superficial, deep, hemorrhagic) Nonerosive (H. pylori)

-

Chronic gastritis

H. pylori Alcohol Medications Autoimmune diseases Chronic stress

Epigastric pain

Food

Antacids

✔

✔

✔

✔

✔

-

H. pylori gastritis Atrophy Intestinal metaplasia Lymphocytic gastritis Enlarged folds Aphthoid erosions

-

Atrophic gastritis

H. pylori Autoimmune disease

Epigastric pain

-

-

✔

-

✔

✔

-

H. pylori Mucosal atrophy Autoimmune Mucosal atrophy

Iron deficiency anemia Autoimmune gastritis diagnosis includes: Antiparietal and anti-IF antibodies Achlorhydria and hypergastrinemia Low serum cobalamine

Crohn's disease

Autoimmune disease

Abdominal pain

-

-

-

-

-

✔

✔

Chronic diarrhea often bloody with pus or mucus Rectal bleeding

Mucosal nodularity with cobblestoning Multiple aphthous ulcers Linier or serpiginous ulcerations Thickened antral folds Antral narrowing Hypoperistalsis Duodenal strictures

Fever Fatigue Anemia (pernicious anemia)

GERD

Lower esophageal sphincter abnormalities Hiatal hernia Abnormal esophageal contractions Prolonged emptying of stomach Gastrinomas

Epigastric pain

Spicy food Tight fitting clothing

Antacids Head elevation during sleep

✔ (Suspect delayed gastric emptying)

✔

-

-

-

-

Esophagitis Barrette esophagus Strictures

Other symptoms: Dysphagia Regurgitation Nocturnal cough Hoarseness Complications Esophagitis Strictures Barrette esophagus

Peptic ulcer disease

H. pylori Smoking Alcohol Radiation therapy Medications Zollinger-ellison syndrome

Epigastric pain sometimes extending to back Right upper quadrant pain

Duodenal ulcer Pain aggravates with empty stomach Gastric ulcer Pain aggravates with food

Antacids Duodenal ulcer Pain alleviates with food

✔

✔

-

-

-

Black stools

Gastric ulcers Discrete mucosal lesions with a punched-out smooth ulcer base with whitish fibrinoid base Most ulcers are at the junction of fundus and antrum 0.5-2.5cm Duodenal ulcers Well-demarcated break in the mucosa that may extend into the muscularis propria of the duodenum Found in the first part of duodenum <1cm

Other diagnostic tests Serum gastrin levels Secretin stimulation test Biopsy

Gastrinoma

Associated with MEN type 1

Abdominal pain

-

-

✔ (suspect gastric outlet obstruction)

✔

-

-

-

Black stools

Useful in collecting the tissue for biopsy

May present with symptoms of GERD or peptic ulcer disease Associated with MEN type 1 Diagnostic tests Serum gastrin levels Somatostatin receptor scintigraphy CT and MRI

Gastric Adenocarcinoma

H. pylori infection Smoked and salted food

Abdominal pain

-

-

✔

✔

✔

✔

✔

Black stools, or blood in stools

Esophagogastroduodenoscopy Multiple biopsies are taken to establish the diagnosis

Other symptoms Dysphagia Early satiety Frequent burping

Primary gastric lymphoma

H. pylori infection

Abdominal pain Chest pain

-

-

-

-

-

✔

-

-

Useful in collecting the tissue for biopsy

Other symptoms Painless swollen lymph nodes in neck and armpit Night sweats Fatigue Fever Cough or trouble breathing

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