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Radiological appearance of diaphragmatic mesothelial cysts

Joaquín Esparza Estaún1, Amador González Alfageme, Javier Sáenz Bañuelos

  • 1Department of Radiology, Virgen del Camino Hospital, C/ Irunlarrea 4, 31008, Pamplona, Spain. jsaenzba@retena.com

Pediatric Radiology
|October 21, 2003
PubMed

Insights

Diaphragmatic mesothelial cysts, congenital lesions from coelomic remnants, present as cystic masses in the right posterolateral costophrenic angle. Radiological imaging like US, CT, and MRI can help identify these suggestive findings.

Area of Science:

  • Pediatric Radiology
  • Congenital Abnormalities
  • Diagnostic Imaging

Background:

  • Diaphragmatic mesothelial cysts are rare congenital anomalies.
  • They originate from embryonic coelomic cavity remnants.

Observation:

  • This study reviewed imaging findings in pediatric patients with diaphragmatic mesothelial cysts.
  • Lesions were consistently located in the right posterolateral costophrenic angle, between the thoracic wall and liver.
  • Subtle extrahepatic positioning was noted in some cases.

Findings:

  • Radiological features on ultrasound (US), computed tomography (CT), and magnetic resonance imaging (MRI) were analyzed.
  • The imaging characteristics observed are highly indicative of diaphragmatic mesothelial cysts.
  • Pathological confirmation was obtained in surgically treated cases.

Implications:

  • Accurate radiological diagnosis can guide appropriate management strategies.
  • Understanding the typical imaging appearance aids in differentiating these cysts from other pediatric thoracic or abdominal masses.
  • Further research into the long-term outcomes of conservatively managed cases may be warranted.
Abstract

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