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KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
TERMINOLOGY
Synonyms
Mesenteric lymphadenitis
Definitions
Self-limited benign inflammation of lymph nodes in bowel mesentery; diagnosis of exclusion
Secondary mesenteric adenitis refers to lymphadenopathy associated with detectable intraabdominal inflammatory process, commonly Crohn disease or infectious ileitis
Most frequent alternative diagnosis to appendicitis
IMAGING
General Features
Radiographic Findings
Ultrasonographic Findings
CT Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Image Interpretation Pearls
Selected References
Patel NB et al: Evaluating the patient with right lower quadrant pain. Radiol Clin North Am. 53(6):1159-70, 2015
Millet I et al: Infection of the right iliac fossa. Diagn Interv Imaging. 93(6):441-52, 2012
Toorenvliet B et al: Clinical differentiation between acute appendicitis and acute mesenteric lymphadenitis in children. Eur J Pediatr Surg. 21(2):120-3, 2011
Sung T et al: Clinical and imaging mimickers of acute appendicitis in the pediatric population. AJR Am J Roentgenol. 186(1):67-74, 2006
Karmazyn B et al: Mesenteric lymph nodes in children: what is normal? Pediatr Radiol. 35(8):774-7, 2005
Lee CC et al: Mesenteric adenitis caused by Salmonella enterica serovar Enteritidis. J Formos Med Assoc. 103(6):463-6, 2004
Likitnukul S et al: Appendicitis-like syndrome owing to mesenteric adenitis caused by Salmonella typhi. Ann Trop Paediatr. 22(1):97-9, 2002
Macari M et al: Mesenteric adenitis: CT diagnosis of primary versus secondary causes, incidence, and clinical significance in pediatric and adult patients. AJR Am J Roentgenol. 178(4):853-8, 2002
Lamps LW et al: The role of Yersinia enterocolitica and Yersinia pseudotuberculosis in granulomatous appendicitis: a histologic and molecular study. Am J Surg Pathol. 25(4):508-15, 2001
Lee JH et al: The etiology and clinical characteristics of mesenteric adenitis in Korean adults. J Korean Med Sci. 12(2):105-10, 1997
Rao PM et al: CT diagnosis of mesenteric adenitis. Radiology. 202(1):145-9, 1997
Van Noyen R et al: Causative role of Yersinia and other enteric pathogens in the appendicular syndrome. Eur J Clin Microbiol Infect Dis. 10(9):735-41, 1991
Puylaert JB: Mesenteric adenitis and acute terminal ileitis: US evaluation using graded compression. Radiology. 161(3):691-5, 1986
Saebo A: The Yersinia enterocolitica infection in acute abdominal surgery. A clinical study with a 5-year follow-up period. Ann Surg. 198(6):760-5, 1983
Schapers RF et al: Mesenteric lymphadenitis due to Yersinia enterocolitica. Virchows Arch A Pathol Anat Histol. 390(2):127-38, 1981
Gilmore OJ et al: Appendicitis and mimicking conditions. A prospective study. Lancet. 2(7932):421-4, 1975
Related Anatomy
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Related Differential Diagnoses
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
TERMINOLOGY
Synonyms
Mesenteric lymphadenitis
Definitions
Self-limited benign inflammation of lymph nodes in bowel mesentery; diagnosis of exclusion
Secondary mesenteric adenitis refers to lymphadenopathy associated with detectable intraabdominal inflammatory process, commonly Crohn disease or infectious ileitis
Most frequent alternative diagnosis to appendicitis
IMAGING
General Features
Radiographic Findings
Ultrasonographic Findings
CT Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Image Interpretation Pearls
Selected References
Patel NB et al: Evaluating the patient with right lower quadrant pain. Radiol Clin North Am. 53(6):1159-70, 2015
Millet I et al: Infection of the right iliac fossa. Diagn Interv Imaging. 93(6):441-52, 2012
Toorenvliet B et al: Clinical differentiation between acute appendicitis and acute mesenteric lymphadenitis in children. Eur J Pediatr Surg. 21(2):120-3, 2011
Sung T et al: Clinical and imaging mimickers of acute appendicitis in the pediatric population. AJR Am J Roentgenol. 186(1):67-74, 2006
Karmazyn B et al: Mesenteric lymph nodes in children: what is normal? Pediatr Radiol. 35(8):774-7, 2005
Lee CC et al: Mesenteric adenitis caused by Salmonella enterica serovar Enteritidis. J Formos Med Assoc. 103(6):463-6, 2004
Likitnukul S et al: Appendicitis-like syndrome owing to mesenteric adenitis caused by Salmonella typhi. Ann Trop Paediatr. 22(1):97-9, 2002
Macari M et al: Mesenteric adenitis: CT diagnosis of primary versus secondary causes, incidence, and clinical significance in pediatric and adult patients. AJR Am J Roentgenol. 178(4):853-8, 2002
Lamps LW et al: The role of Yersinia enterocolitica and Yersinia pseudotuberculosis in granulomatous appendicitis: a histologic and molecular study. Am J Surg Pathol. 25(4):508-15, 2001
Lee JH et al: The etiology and clinical characteristics of mesenteric adenitis in Korean adults. J Korean Med Sci. 12(2):105-10, 1997
Rao PM et al: CT diagnosis of mesenteric adenitis. Radiology. 202(1):145-9, 1997
Van Noyen R et al: Causative role of Yersinia and other enteric pathogens in the appendicular syndrome. Eur J Clin Microbiol Infect Dis. 10(9):735-41, 1991
Puylaert JB: Mesenteric adenitis and acute terminal ileitis: US evaluation using graded compression. Radiology. 161(3):691-5, 1986
Saebo A: The Yersinia enterocolitica infection in acute abdominal surgery. A clinical study with a 5-year follow-up period. Ann Surg. 198(6):760-5, 1983
Schapers RF et al: Mesenteric lymphadenitis due to Yersinia enterocolitica. Virchows Arch A Pathol Anat Histol. 390(2):127-38, 1981
Gilmore OJ et al: Appendicitis and mimicking conditions. A prospective study. Lancet. 2(7932):421-4, 1975
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