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. 2026 Jun 19;19:610083. doi: 10.2147/LRA.S610083

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© 2026 Chooklin and Chuklin.

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Anatomical and sonographic views of abdominal wall showing rectus muscle and preperitoneal space. — Follow-up sonography of the abdominal wall and anatomical representation. (A) Medial sonographic view 6 h after injection showing residual preperitoneal collection (yellow stars). (B) Lateral sonographic view demonstrating lateral extension of the residual preperitoneal collection (yellow stars). (C) Enlarged sonographic and schematic views illustrate the relationship between the rectus muscle, deep sheath, parietal peritoneum, and preperitoneal space. (Reproduced from Marrone et al¹⁰ © Wolters Kluwer Health, Inc. Published with permission under STM Permissions Guidelines).