08 March 2026
: Case report 
Ruptured Pericardial Hydatid Cyst Causing Mitral Annulus Distortion With Severe Mitral Regurgitation and Tamponade-like Symptoms: A Case Report
Unusual clinical course, Challenging differential diagnosis, Diagnostic / therapeutic accidents, Unusual setting of medical care, Educational Purpose (only if useful for a systematic review or synthesis)
Abdelrahman Jamiel
ABDEF 1,2,3*, Shaimaa Mohamed AEF 4, Norah Khalid Alobaid EF 5, Khalid A. Mohamed BEF 4, Amjad M.A. Ahmed ABDEF 1,2, Mohammad Salman Mohammad BD 6
DOI: 10.12659/AJCR.950600
Am J Case Rep 2026; 27:e950600
Figure 4 (A) Transesophageal echocardiography (2-chamber view with color Doppler) showing impingement of the pericardial cyst (blue arrow) and distortion of the mitral annulus with severe mitral regurgitation. (B) Three-dimensional transesophageal echocardiography confirming impingement of the pericardial cyst (blue arrow) and distortion of the mitral annulus. (C) Transesophageal echocardiography (transgastric view) showing a loculated hydatid cyst in the liver (blue arrow).