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We report the case of a 38-year-old patient with a tubular apocrine adenoma with papillary differentiation. The clinician was challenged in her diagnosis by the initially misleading appearance and ectopic location. Histopathological findings and immunohistochemistry delivered conclusive proof for the correct diagnosis. Therefore, it is important for the ophthalmologist to request histopathological analysis to diagnose and differentiate from malignancy. A complete local excision is recommended to prevent recurrence.

The authors report the outcomes of a series of endonasal orbital decompression carried out by oculoplastic surgeons. Purpose: Orbital decompression is an established surgical treatment option for a range of orbital conditions. Traditionally, Ear, Nose and Throat surgeons have adopted the endoscopic route while ophthalmologists operate via an external approach. The authors report the outcomes of endonasal decompression performed by oculoplastic surgeons experienced in endonasal techniques. Methods: This was a retrospective case series of patients who underwent endoscopic orbital decompression for proptosis secondary to thyroid eye disease across 2 hospital sites between January 2011 and July 2018. Inclusion criteria were patients who had endoscopic decompression for proptosis in inactive thyroid eye disease or active disease without dysthyroid optic neuropathy. Information collected includes patient demographics, diagnosis, surgical details, preoperative and postoperative clinical findings (including, visual acuity, color vision, exophthalmometry readings, palpebral aperture, intraocular pressure, ocular motility, diplopia, and visual field), complications, and further treatment. Results: There were 70 cases of endoscopic decompression. The majority of patients had endoscopic medial and posterior medial wall/floor decompression (44.3%; 31/70 cases). Visual acuity remained stable in 98.6% (69/70). There was an average reduction in proptosis of 3.5 ± 1.2 mm (standard deviation [SD]) in the endoscopic medial wall only group, 3.9 ± 0.9 mm (SD) in endoscopic medial wall and posterior medial portion of the floor group, and 7.6 ± 2.1 mm (SD) in the 3-wall decompression group. Motility improved in 11.4% (8/70) and worsened in 2.9% (2/70). There were no significant intraoperative or postoperative complications associated with endoscopic surgery. Conclusions: Oculoplastic surgeons experienced in endonasal techniques can perform endoscopic orbital decompression with outcomes comparable to the literature.