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2021, Volume 29, Issue 2

Case Report

Sternalis - Variation of clinical importance

Vandana Mehta, Mohan Ram K, Balamurali M

Pages: 63-67


This case report concerns the presence of an accessory anterior thoracic wall muscle during routine dissection in the Department of Anatomy, Vardhman Mahavir Medical College & Safdarjung Hospital, New Delhi. A 59 year old male cadaver was being dissected, when a unilateral accessory muscle was found parallel and lateral to the right margin of sternum. Accidental encounter with Sternalis, one of the many names used to denote this muscle, made it apparent that such anatomical variations is not uncommon. A descriptive knowledge of such common anatomical variations is both essential and crucial in realizing that not any human body is alike. Besides theoretical interest & academic curiosity, the implications of these variations is indispensable in diagnostic and surgical disciplines.

Keywords: Sternalis, Rectus sternalis, Chest wall, Muscle variation, Human anatomy, Mammography, Rectus sternalis, Anatomical variation, Breast augmentation, Reconstruction, Mammography, Medical education, Sternalis, Chest, Breast, Surgery, Radiography, Mammogram.

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