• Meltem Kaba, Çetin Ali Karadağ, Nihat Sever, İlayda Ser, Mesut Demir, Abdullah Yıldız, and Ayşe Merve Usta.
• Department of Pediatric Surgery, Şişli Hamidiye Etfal Training and Research Hospital, İstanbul-Türkiye.
• Ulus Travma Acil Cerrahi Derg. 2023 Oct 27; 29 (11): 128812951288-1295.

BackgroundTrichobezoar is a rare clinical condition in children, which is caused by the accumulation of swallowed hair mass in the digestive tract. This condition is most common in young women with psychiatric histories who suffer from trichotillomania (TTM), where they have an irresistible urge to pull out their hair. Diagnosis and treatment of this pathology, which is already extremely rare, and its variable clinical presentations are challenging. The aim of this study was to increase awareness of trichobezoar in the differential diagnosis of signs of intestinal obstruction in children and to evaluate the diagnosis and management of this rare pathology.MethodsThe clinical data of six patients who were treated for trichobezoars in the pediatric surgery department of our hospital between 2009 and 2022 were retrospectively analyzed.ResultsSix female patients were treated with the diagnosis of trichobezoar during this period. Patients were diagnosed with the help of anamnesis, physical examination, abdominal ultrasonography (USG), and finally, endoscopy. USG can predict the intestinal wall infiltration and the tail extended to the duodenum through pylorus in the series. All patients were evaluated with contrast-enhanced abdominal radiography. Five surgical interventions were performed in four of the cases. In a case who underwent surgery twice, the distal intestinal satellite bezoar was not noticed in the first operation. Two patients were diagnosed to have trichobezoar, but surgery was not required. These patients were younger and had early-onset TTM (before 10 years old). The patients were followed for an average of 10.8 years and no recurrence was detected.ConclusionTrichobezoar is a rare cause of intestinal obstruction in children with fatal complications when diagnosed late. Failure to follow an algorithm for the management of the disease causes difficulties in the diagnosis and treatment. Especially in pa-tients with a known psychiatric history, whole abdominal USG and laparoscopy performed with awareness can prevent unnecessary examinations.

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