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Upper arm glomus tumors are uncommon, benign vascular growths originating from skin glomus bodies. They typically cause severe, paroxysmal pain triggered by cold, pressure, or touch. Diagnosis can be complex due to mimicry of other conditions, but histopathological examination confirms the presence of glomus cells. In a case study, a 46-year-old woman with an Upper arm glomus tumor experienced pain and a lump in her left arm. Ultrasound identified a well-circumscribed, heterogeneous, hypoechoic, pedunculated mass with internal vascularity and MRI showed a lobulated soft-tissue mass with skin involvement and polypoid projection, alongside axillary lymphadenopathy and skin thickening. Following an open biopsy that confirmed the diagnosis of a glomus tumor, the patient experienced complete resolution of symptoms after surgical excision, with no recurrence during the 24-month follow-up period.

Accessory breast tissue (supernumerary breast tissue) is due to the absence of regression of the primitive milk lines during embryonic life which extends from the axilla to the groin. It is mostly located in the axilla where it is often confused with the axillary extension of the breast, or any pathological process occurring in armpits. Ectopic mammary glands should not be misdiagnosed as it can potentially undergo the same pathological processes that occur in a normally located breast including benign or malignant breast tumors. We report the case of an intracystic papilloma arising from left axillary accessory breast tissue in a 63-year-old woman. The principal symptom was pain in a palpable left axillary mass without inflammatory signs. Subsequent imaging and histopathologic examination proved it to be a papillary tumor in ectopic breast tissue.

Upper extremity access sites are the preferred access sites for hemodialysis. With the improvement of the survival in dialysis population, most patients outlive the dialysis access lifespan. As such, some patients exhaust the vascular access options of the upper extremities, which necessitates the search for new access sites. While lower extremity grafts and hemodialysis reliable outflow devices are potential alternatives, these access sites are plagued with recurrent lesions at the venous anastomosis and subsequent thrombosis leading to poor access survival. Within this framework, the axillary-based dialysis access was developed to address these challenges. In this report, we describe a 70-year-old woman who exhausted her upper extremity access sites and eventually underwent a chest wall arteriovenous graft (AVG) that connected the right axillary artery to the right axillary vein. This chest wall AVG remained functional without any intervention for more than 3 years. In conclusion, chest wall AVG access can be a viable option for hemodialysis patients who have exhausted the access sites of the upper extremities, while potentially minimizing complications seen in other methods of vascular access.

Polymastia or supernumerary breast is an anomaly of the embryonic development of the mammary gland resulting in ectopic breast tissue. We report an exceptional case of a unilateral axillary supernumerary breast in a 71-year-old patient which became enlarged after menopause. The diagnosis was confirmed on anatomopathological study which revealed no sign of malignancy otherwise. In our case, it was a proliferation of glandular tissue, without areola or nipple, rarely reported in the literature, and corresponding to Kajava class IV. The patient underwent surgical treatment in order to resolve the problem of aesthetic discomfort and to limit the risk of malignant transformation.