Duodenitis: Definition from Answers.com

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Duodenitis
Classification and external resources
ICD-10	K 29.8
ICD-9	535.6
eMedicine	/
MeSH	[1]

Duodenitis is inflammation of the duodenum. It may persist acutely or chronically.

1 Causes
2 Symptoms
3 Diagnosis
4 Treatment

Causes

Known causes of duodenitis include:

Bacterial infection (often by Helicobacter pylori)
Gastroesophageal reflux disease
Viral infection
NSAIDs

Symptoms

Known symptoms of duodenitis include:

Abdominal pain
vomiting uncontrollably

Diagnosis

Diagnosis is generally made by endoscopy and reviewing symptoms.

Treatment

Treatment is aimed at removing the irritant or infection. Helicobacter pylori infection is usually treated with antibiotics.

Digestive system · Digestive disease · Gastroenterology (primarily K20-K93, 530-579)

Upper GI tract

Intestinal/
enteropathy

Small intestine/ (duodenum/jejunum/ileum)	Enteritis (Duodenitis, Jejunitis, Ileitis) — Peptic (duodenal) ulcer (Curling's ulcer) — Malabsorption: Coeliac · Tropical sprue · Blind loop syndrome · Whipple's · Short bowel syndrome · Steatorrhea · Milroy disease

Large intestine (appendix/colon)	Appendicitis · Colitis (Pseudomembranous, Ulcerative, Ischemic, Microscopic, Collagenous, Lymphocytic) · Functional colonic disease (IBS, Intestinal pseudoobstruction/Ogilvie syndrome) — Megacolon/Toxic megacolon · Diverticulitis/Diverticulosis

Large and/or small	Enterocolitis (Necrotizing) · IBD (Crohn's disease) — vascular: Abdominal angina · Mesenteric ischemia · Angiodysplasia — Bowel obstruction: Ileus · Intussusception · Volvulus · Fecal impaction — Constipation · Diarrhea (Infectious)

Rectum	Proctitis (Radiation proctitis) · Proctalgia fugax · Rectal prolapse

Anus	Anal fissure/Anal fistula · Anal abscess · Anal dysplasia · Pruritus ani

Accessory

Liver	Hepatitis (Viral hepatitis, Autoimmune hepatitis, Alcoholic hepatitis) · Cirrhosis (PBC) · Fatty liver (NASH) · vascular (Hepatic veno-occlusive disease, Portal hypertension, Nutmeg liver) · Alcoholic liver disease · Liver failure (Hepatic encephalopathy, Acute liver failure) · Liver abscess (Pyogenic, Amoebic) · Hepatorenal syndrome · Peliosis hepatis

Gallbladder	Cholecystitis · Gallstones/Cholecystolithiasis · Cholesterolosis · Rokitansky-Aschoff sinuses · Postcholecystectomy syndrome

Bile duct/ other biliary tree	Cholangitis (PSC, Secondary sclerosing cholangitis, Ascending) · Cholestasis/Mirizzi's syndrome · Biliary fistula · Haemobilia · Gallstones/Cholelithiasis common bile duct (Choledocholithiasis, Biliary dyskinesia)

Pancreatic	Pancreatitis (Acute, Chronic, Hereditary) · Pancreatic pseudocyst · Exocrine pancreatic insufficiency · Pancreatic fistula

Hernia

Diaphragmatic: Congenital diaphragmatic · Hiatus — Abdominal hernia: Inguinal (Indirect, Direct) · Umbilical · Incisional · Femoral — Obturator hernia · Spigelian hernia · Internal hernia

Peritoneal

Peritonitis (Spontaneous bacterial peritonitis) · Hemoperitoneum · Pneumoperitoneum

GI bleeding/BIS

Upper (Hematemesis, Melena) · Lower (Hematochezia)

See also: congenital and neoplasia

Inflammation

Acute

Plasma derived mediators	Bradykinin · complement (C3, C5a, MAC) · coagulation (Factor XII, Plasmin, Thrombin)

Cell derived mediators	preformed: Lysosome granules · vasoactive amines (Histamine, Serotonin) synthesized on demand: cytokines (IFN-γ, IL-8, TNF-α, IL-1) · eicosanoids (Leukotriene B4, Prostaglandins) · Nitric oxide · Kinins

Chronic

Macrophage · Epithelioid cell · Giant cell · Granuloma

Processes

Traditional: Rubor · Calor · Tumor · Dolor (pain) · Functio laesa
Modern: Acute-phase reaction/Fever · Vasodilation · Increased vascular permeability · Exudate · Leukocyte extravasation · Chemotaxis

Specific types

Nervous	CNS (Encephalitis, Myelitis) · Meningitis (Arachnoiditis) · PNS (Neuritis) · eye (Dacryoadenitis, Scleritis, Keratitis, Choroiditis, Retinitis, Chorioretinitis, Blepharitis, Conjunctivitis, Iritis, Uveitis) · ear (Otitis, Labyrinthitis, Mastoiditis)

Cardiovascular	Carditis (Endocarditis, Myocarditis, Pericarditis) · Vasculitis (Arteritis, Phlebitis, Capillaritis)

Respiratory	upper (Sinusitis, Rhinitis, Pharyngitis, Laryngitis) · lower (Tracheitis, Bronchitis, Bronchiolitis, Pneumonitis, Pleuritis) · Mediastinitis

Digestive	mouth (Stomatitis, Gingivitis, Gingivostomatitis, Glossitis, Tonsillitis, Sialadenitis/Parotitis, Cheilitis, Pulpitis, Gnathitis) · tract (Esophagitis, Gastritis, Gastroenteritis, Enteritis, Colitis, Enterocolitis, Duodenitis, Ileitis, Caecitis, Appendicitis, Proctitis) · accessory (Hepatitis, Cholangitis, Cholecystitis, Pancreatitis) · Peritonitis

Integumentary	Dermatitis (Folliculitis) · Hidradenitis

Musculoskeletal	Arthritis · Dermatomyositis · soft tissue (Myositis, Synovitis/Tenosynovitis, Bursitis, Enthesitis, Fasciitis, Capsulitis, Epicondylitis, Tendinitis, Panniculitis) Osteochondritis: Osteitis (Spondylitis, Periostitis) · Chondritis

Urinary	Nephritis (Glomerulonephritis, Pyelonephritis) · Ureteritis · Cystitis · Urethritis

Reproductive	female: Oophoritis · Salpingitis · Endometritis · Parametritis · Cervicitis · Vaginitis · Vulvitis · Mastitis male: Orchitis · Epididymitis · Prostatitis · Balanitis · Balanoposthitis pregnancy/newborn: Chorioamnionitis · Omphalitis

Endocrine	Insulitis · Hypophysitis · Thyroiditis · Parathyroiditis · Adrenalitis

Lymphatic	Lymphangitis · Lymphadenitis

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Duodenitis

Contents

Causes

Symptoms

Diagnosis

Treatment