The Rare Cases of Parotid Gland Arteriovenous Malformations

Gupta, Manish; Nijhawan, Vijay S; Kaur, Cynthia; Kaur, Sukhpreet; Gupta, Akanksha

doi:10.1155/2021/6072155

Cited by 2 publications

(2 citation statements)

References 12 publications

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“…There was no recurrence or re-expansion of auricular AVMs after treatment. Among the 21 patients with parotid AVMs ( Table 3 ), the majority underwent surgical excision (8 patients) and embolization (5 patients), and embolization with sclerotherapy (4 patients), while a few patients underwent embolization followed by excision (3 patients), and only 1 had sclerotherapy [ 5 , 22 – 27 ]. Although no recurrence was detected in any of the AVM cases, there was incomplete involution in 3 cases (60%) of parotid AVMs following embolization [ 23 ].…”

Section: Discussionmentioning

confidence: 99%

Management of an Extensive Intraparotid and Auricular Arteriovenous Malformation

Yee

Guo

2022

Am J Case Rep

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Patient: Female, 40-year-old Final Diagnosis: Arterio-venous malformation Symptoms: Neck swelling Medication: — Clinical Procedure: Coil embolization • surgical resection Specialty: Radiology Objective: Rare disease Background: Extracranial arteriovenous malformations (AVMs) of the parotid gland and auricle are rarely encountered. Management of these AVMs depends on the Schobinger stage and their flow characteristics. We present a rare case of an AVM involving the parotid and auricle concurrently. The clinical and imaging features of these high-flow vascular malformations and their treatment options are discussed and we provide a review of the literature. Case Report: A 40-year-old woman presented with a large 6.4×6.0×13.0 cm high-flow Schobinger stage II high-flow AVM of the parotid gland and auricle. Diagnostic imaging included magnetic resonance imaging (MRI) and conventional catheter angiogram, which defined the vascular anatomy and flow characteristics of the AVM. She was treated with preoperative endovascular embolization followed by surgical excision and free-tissue transfer reconstruction on the next day. The results were excellent, with no recurrence over 3.5 years of follow-up. Conclusions: This is the second case reported in the literature of high-flow AVM concurrently involving the parotid gland and auricle, treated with perioperative embolization followed by surgical excision and grafting. Management of AVMs requires a multidisciplinary team approach and understanding of the natural history of the lesion. Although total surgical resection is the criterion standard for these AVMs, endovascular embolization is an alternative treatment that can be used as an adjunct to surgery. Furthermore, perioperative embolization can decrease the vascularity of the lesion and effectively reduce blood loss during AVM surgery.

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Section: Discussionmentioning

confidence: 99%

Management of an Extensive Intraparotid and Auricular Arteriovenous Malformation

Yee

Guo

2022

Am J Case Rep

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“…The parotid region is not a typical location for VMs, with about 50 cases reported [ 10 ]. Achache et al demonstrated that, among 614 parotidectomy cases identified, there were only 10 cases of parotid VMs (1.6%).…”

Section: Discussionmentioning

confidence: 99%

Vascular Abnormalities of the Parotid Region: An Uncommon Presentation of a Common Condition—A Case Series

et al. 2022

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A variety of non-neoplastic diseases and benign and malignant lesions may involve parotid glands. In clinical practice, effective diagnosis is crucial to ensure proper treatment and achieve a good therapeutic effect. Unclear anamnesis and short medical history are factors that make diagnosis difficult, especially when cancer should be excluded. We present a case series of four patients who reported to the outpatient clinic with a unilateral nodule in the parotid region. The clinical presentation prevented an unequivocal diagnosis. The suspicion of a neoplastic disease resulted in profound diagnostics, including repeated cytology, ultrasound and magnetic resonance examination. Combining all the acquired information and follow-up, or a histopathologic examination, facilitated the final diagnosis. In all cases, thrombosis was diagnosed. We then analysed the diagnostic process and the associated difficulties. When thrombosis in vascular malformation occurs in the parotid region, it may have an unclear clinical and radiological presentation. Such an image can imitate both benign and malignant tumours. Ambiguous imaging in conjunction with blood cells in cytology should result in the inclusion of thrombosis in vascular malformations in the differential diagnosis.

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The Rare Cases of Parotid Gland Arteriovenous Malformations

Cited by 2 publications

References 12 publications

Management of an Extensive Intraparotid and Auricular Arteriovenous Malformation

Management of an Extensive Intraparotid and Auricular Arteriovenous Malformation

Vascular Abnormalities of the Parotid Region: An Uncommon Presentation of a Common Condition—A Case Series

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