Citation: Atoni AD, Oyinbo CA. Anatomic variation of the median nerve associated with an anomalous muscle of the forearm.

The knowledge of cephalic vein variation would aid proper identification and prevent error in surgical emergencies. The path, distribution, and termination of the cephalic vein in relation to the deltopectoral triangle were studied in twenty formalin-embalmed cadavers.Results show the bilateral presentation of the cephalic vein in all the shoulders examined. Thirtyseven (37) cases presented with a superficial and lateral course of the cephalic vein in the deltopectoral groove, while the rest three cases presented a deep course. Of these 37 cases with the superficial course, two cases ascended anteriorly and above the clavicle and drained into the external jugular vein in the neck. Another case presented a cephalic vein that ascended anteriorly and then above the clavicle and drained into an unnamed vein in the neck. In one case, the cephalic vein ascended superficially in the deltopectoral groove and laterally in the deltopectoral triangle. In one bilateral pattern, the cephalic vein in the deltopectoral triangle drained into the axillary vein. In all the three cases where the cephalic vein ascended deep within the deltopectoral groove, they terminated deep in the deltopectoral triangle. In one of these, the cephalic vein received a tributary that originated from a venous network beneath the deltoid muscle and then drained into athe xillary vein, deep in the deltopectoral triangle. In the other two cases, the cephalic vein gave a tributary to the axillary vein and continued deep and medially in the deltopectoral triangle, passed below the clavicle and drained into the subclavian vein.The knowledge of these variations of the cephalic vein is essential to clinicians and surgeons for venous access during emergencies and surgery.

The left lung usually has an oblique fissure that divides it into superior and inferior lobes. Some variants in the lobar fissure are well known, but the knowledge of certain uncommon variants will enhance our anatomical understanding and proper identification of the bronchopulmonary segments. Several imaging techniques have been used to describe anatomical variations of the lung, but studies that utilize dissections as tools for understanding lobar variations were limited. In this report, we described an incomplete horizontal fissure, bifurcated accessory fissure, incomplete superior and middle lobes, and fibrous condensation of the left lung pulmonary pleura observed during dissection. The knowledge of these anatomical variations will be useful in surgical segmental resection and lobectomy, and for accurate interpretations of medical diagnostic images.