Ultrasonography and Computed Tomographic Manifestations of Abdominal Sarcoidosis in Children

Baptiste Morel1, Chiara Sileo, Ralph Epaud

  • 1*Université Pierre et Marie Curie (Paris 6), Sorbonne Universités †Assistance Publique-Hôpitaux de Paris (AP-HP), Hôpital A. Trousseau, Service de Radiologie Pédiatrique, Paris ‡Inserm U955, Equipe 5, Faculté de Médecine, Créteil §Centre Hospitalier Intercommunal de Créteil, Créteil, Centre de Référence des Maladies Respiratoires Rares ||Assistance Publique Hôpitaux de Paris (AP-HP), Service de Pneumologie Pédiatrique, Hôpital Armand Trousseau, Centre National de Référence des Maladies Respiratoires Rares ¶Institut National de la Santé et la Recherche Médicale (INSERM), UMR_S 933 #Institut National de la Santé et la Recherche Médicale (INSERM), UMR_S 938, CDR Saint-Antoine, Université Pierre et Marie Curie (Paris 6), Sorbonne Universités **AP-HP, Hôpital Armand Trousseau, Service de Nutrition et Gastroentérologie Pédiatriques, Paris, France.

Insights

Pediatric abdominal sarcoidosis is common and often presents non-specifically. Associated thoracic involvement is key for diagnosing abdominal sarcoidosis in children.

Area of Science:

  • Pediatric Radiology
  • Gastroenterology
  • Immunology

Background:

  • Sarcoidosis is a multisystem granulomatous disease.
  • Abdominal sarcoidosis in children is rarely described radiologically.
  • This study focuses on radiologic manifestations in pediatric abdominal sarcoidosis.

Purpose of the Study:

  • To describe the frequency and appearance of abdominal radiologic findings in pediatric sarcoidosis.
  • To aid in the diagnosis of abdominal sarcoidosis in children.

Main Methods:

  • Retrospective review of radiological examinations in 22 pediatric patients (ages 1-15) with proven sarcoidosis.
  • Analysis of liver, spleen, abdominal lymph nodes, and gastrointestinal tract abnormalities.
  • Correlation with biopsy locations and angiotensin-converting enzyme levels.

Main Results:

  • Abdominal manifestations were present in 11 of 22 children.
  • Hepatomegaly was the most frequent finding (8/11), often homogeneous.
  • Lymphadenopathy and splenomegaly were also observed; nodular changes were rare.
  • All patients with abdominal findings had concurrent thoracic sarcoidosis.

Conclusions:

  • Abdominal sarcoidosis in children is frequent but shows nonspecific radiologic signs.
  • Nodular hepatosplenomegaly is uncommon.
  • Concurrent thoracic involvement is a significant indicator for diagnosing abdominal sarcoidosis in pediatric patients.
Abstract

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