Low Flow Venous Malformation Lesion Presented with Medial Canthal Swelling Simulating Swelling of the Lacrimal Sac Origin : A Case Report

Alswaina, Nayef Fahad; Alsuhaibani, Adel H.

doi:10.12816/0024123

Cited by 2 publications

(1 citation statement)

References 8 publications

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“…In contrast, there was 1 case of a cavernous venous malformation (OVM1). 12 This isolated malformation was closely approximated to the angular vein along the medial canthus but did not have peripheral drainage into normal veins.…”

Section: Discussionmentioning

confidence: 94%

Disorders of the Angular Vein

Custer

Boulos

2022

Ophthalmic Plastic &Amp; Reconstructive Surgery

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Purpose: The angular vein extends between the supraorbital and supratrochlear veins superiorly and the facial vein inferiorly. Rarely, this vessel can be involved by infections, vascular malformations, or benign tumors. In this study, we report both our experience and the published literature on angular vein disorders. Methods: A retrospective study was performed on patients seen between 2008 and 2022. The medical literature was searched for reports of conditions affecting the angular vein. Results: During the study period, we encountered 5 patients with angular vein disorders. Information from these patients was combined with 18 published cases. Among the 23 patients, the diagnosis was confused with lacrimal drainage abnormalities in 52%, and 57% underwent imaging. “Swelling” or a palpable, moveable mass were frequent findings. Pain or tenderness was experienced by 43.5% of patients. Five patients were observed, and 2 infections were treated with antibiotics. The remaining 16 lesions were successfully treated with excision (n = 15) or cauterization (n = 1), without complications. Final diagnosis included 14 vascular malformations (isolated varix: 7, thrombosis: 6, cavernous venous malformation: 1), 7 vascular tumors (intravenous pyogenic granulomas: 6, intravascular papillary endothelial hyperplasia: 1) and thrombophlebitis (n = 2). Conclusions: Disorders of the angular vein are uncommon and frequently misdiagnosed as lacrimal abnormalities. While these lesions can frequently be identified on clinical findings, imaging can be helpful in some cases. Patients with suspected thrombophlebitis require urgent antibiotic therapy. Minimally symptomatic angular vein lesions can be observed. Surgical excision is effective in treating the different vascular malformations and tumors affecting this structure.

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Section: Discussionmentioning

confidence: 94%