Cystic fibrosis

Intussusception of the appendix in a young adult: an important differential diagnosis of abdominal pain in cystic fibrosis patients? (2023)

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Type of publication:
Journal article

Author(s):
*Venkatasami, Meena; *Cobby, Ellen.

Citation:
Journal of Surgical Case Reports. 2023(3):117, 2023 Mar.

Abstract:
Cystic fibrosis (CF) is commonly associated with gastrointestinal manifestations from infancy to adulthood. Distal intestinal obstruction syndrome (DIOS) affects 20% of CF patients, where intussusception can be a rare complication. A 20-year-old CF male was diagnosed with a 3-day history of right iliac fossa pain and diarrhoea. Clinical examination revealed a tender palpable mass in the right iliac fossa and raised serum inflammatory markers. Contrast computerized-tomography of the abdomen-pelvis suggested intussusception of the appendix and further confirmed on histological analyses. The patient underwent an open appendicectomy where the intussusception had self-resolved. The literature review indicated a scarcity of data with 10 cases reported of intussusception in adult CF patients. Our case was in line with previous research of transient intussusception. This rare case highlights an importance to carry a higher index of suspicion for gastrointestinal manifestations in CF patients where differential diagnoses of DIOS and intussusception should be considered in the acute presentation.

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Intussusception of the Appendix in a Young Adult with Cystic Fibrosis: An Important Differential Diagnosis of Abdominal Pain in Cystic Fibrosis Patients? (2022)

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Type of publication:
Conference abstract

Author(s):
*Venkatasami M.; *Cobby E.

Citation:
British Journal of Surgery. Conference: ASiT Surgical Conference 2022. Aberdeen United Kingdom. 109(Supplement 6) (pp vi57), 2022. Date of Publication: September 2022.

Abstract:
Background: Cystic fibrosis (CF) is commonly associated with gastrointestinal manifestations from infancy to adulthood. Intussusception in the paediatric CF population is widely reported, whereas in the adult, distal intestinal obstruction syndrome (DIOS) is common affecting 20%, of which, intussusception is rare and appendiceal intussusception is rarer, affecting 1%. Case-Description: A 20-year-old male with CF presented with 3 days of right iliac fossa pain and diarrhoea. On admission, he was hypotensive and afebrile. Clinical examination revealed tenderness of the right flank with a palpable mass in the right iliac fossa. Serum investigations showed mildly raised inflammatory markers. Contrast CT of the abdomen-pelvis confirmed intussusception of the appendix into the ascending colon. Histological analysis of the appendix further demonstrated intussusception, with intraluminal mucinous material. Fascinatingly, no transmural inflammation was present. The patient underwent a laparotomy-open appendicectomy. Interestingly, intraoperative findings showed the intussusception resolved, no longer requiring surgical reduction. Patient postoperative recovery was complicated by pneumonia for which he was transferred for specialist CF respiratory care and thereafter, discharged. Discussion(s): Literature review highlighted a paucity of data, with 10 reported cases of appendiceal intussusception in adult CF patients. Interestingly, we report the intussusception had reduced by the time of operation. This is in-keeping with previous case reports of transient intussusception which spontaneously resolved. Conclusion(s): From this rare case presentation, we have learnt it is imperative to carry a high index of suspicion for gastrointestinal manifestations in CF patients where acute appendicitis is seen less often and differential diagnoses like DIOS and intussusception should be considered.

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