Notomelia in a piglet (<i>Sus scrofa</i>): Case report and review of the literature

Background Polymelia is an occasional and congenital malformation in bovine calves, characterized by the presence of single or multiple accessory limb(s) at various body regions, which are often called the supernumerary limb(s). One of these defects is known as pygomelia, where the additional limb is attached to the pelvis within the perineal region. This study describes such a case along with surgical management. Case presentation A 2-day-old indigenous bovine female calf of 22.7 kg BW was presented with an additional and non-functional fifth limb at the perineal region. The ectopic fifth limb was smaller in size than the other four normal limbs and was in a flexible hanging position. Other than this, the animal was apparently normal with a short and contracted tail. Clinical examinations involving the extension and flexion of the abnormal limb revealed no deep bony attachment/articulation with the pelvic girdle or the caudal spine. The curled tail having an S-shaped base indicated the skeletal defects in the caudal spine. Electrosurgery was performed under deep sedation with regional as well as local anesthesia, which exposed that the limb was internally seated into deep gluteal muscle layers with the attachments of fibrous connective tissues and cartilage to its proximal bony head and located partially to the left lateroventral extremity of the perineum without any direct involvement in the bony pelvis. Surgical excision was done to remove the supernumerary limb, and the wound was closed routinely. Postoperatively, the animal was provided with supportive medications for early healing and recovery. After 2 weeks of surgery, the calf completely recovered without any complications. The contracted tail and spine were left unaffected as no initial surgical maneuver was done due to the early age of the calf and would be considered for further long-term treatment options upon the growth and development with age. Conclusions Pygomelia of bovine calves is one of the rare congenital defects that can be found along with other developmental anomalies. However, this defect can be successfully corrected by surgical approaches following intensive postoperative care and management.

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Surgical correction of polymelia in the perineal region of a 2-day-old indigenous bovine calf: a case report from Bangladesh

Munif

Safawat

Hannan

2023

Bull Natl Res Cent

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Notomelia in a piglet (Sus scrofa): Case report and review of the literature

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Surgical correction of polymelia in the perineal region of a 2-day-old indigenous bovine calf: a case report from Bangladesh

Surgical correction of polymelia in the perineal region of a 2-day-old indigenous bovine calf: a case report from Bangladesh

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