Intramuscular cavernous hemangiomas arising from masseter muscles

Intramuscular hemangiomas are unique vascular tumors which are benign in nature, most commonly occurring in the trunk and extremities. When present in head and neck, they most frequently involve the masseter and trapezius muscles, accounting for less than 1% of all hemangiomas. Most of these lesions present with pain and discomfort and some patients may demonstrate progressive enlargement. Due to their infrequency, deep location, and unfamiliar presentation, these lesions are seldom correctly diagnosed clinically. Our report is a clinically misdiagnosed case of a painful soft tissue mass in the right side masseteric region of a 23-year-old female patient, confirmed as intramuscular hemangioma based on imaging studies and histopathologic examination, treated by surgical excision which had no recurrence after a 3-year followup.

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Intramuscular Haemangioma with Diagnostic Challenge: A Cause for Strange Pain in the Masseter Muscle

Lakshmi

Sankarapandiyan

Sai

2014

Case Reports in Dentistry

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Presumptive Intramuscular Hemangioma of the Masseter Muscle

et al. 2015

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Patient: Male, 34Final Diagnosis: Intramuscular hemangioma of the masseter muscleSymptoms: Swelling over parotid regionMedication: —Clinical Procedure: Clinical-Radiological work-upSpecialty: RadiologyObjective:Rare diseaseBackground:Hemangioma is a benign vascular proliferation. Intramuscular hemangiomas are rare, accounting for less than 1% of all hemangiomas, and occur normally in the trunk and extremities. Approximately 10–20% of intramuscular hemangiomas are found in the head and neck region, most often in the masseter muscles. The typical clinical characteristic is a painful soft tissue mass without cutaneous changes. Currently, MRI is the standard imaging technique for diagnosing soft-tissue hemangioma. The optimal management is the surgical resection.Case Report:We report a case of 34-year-old male patient consulted for a swelling of 1 year evolution, around the parotid region. On physical examination, a soft, well-contoured lesion of about 2 cm on its long axis was found. MRI showed a space-occupying lesion in the left masseter muscle, with intermediate signal intensity on T1-weighted images and hyperignal intensity on T2-weighted images, containing nodular hypointense foci corresponding to calcification. The presumptive diagnosis of an intramasseteric hemangioma with phlebolith was made based on these findings. The patient was informed about her condition, and treatment options were discussed; however, the patient elected to forgo treatment at that time.Conclusions:The possibility of an IMH should be included in the differential diagnosis of any intra-masseteric lesion. The appropriate radiologic examinations especially MRI can enhance accurate preoperative diagnosis; the treatment of choice should be individualized in view of the clinical status of the patient.

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Intramuscular Hemangioma of the Masseter Muscle:a Case Report

Anandan

Priyadharshini

Kannan

2022

PIJR

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Background - Intramuscular hemangiomas are benign vascular tumours that most frequently occur in the trunk and extremities.They constitute about <1% of all hemangiomas, only 10%–20% have been found to arise in the head and neck region, and 36% of cases involving masseter muscle.They usually present as gradually enlarging soft-tissue mass with or without pain. They are located deep within the muscle, hence rarely exhibit clinical signs or symptoms such as bruits, thrills, pulsation which are suggestive of vascular origin. Due to their rare occurrence, unique location they are often confused with other soft-tissue pathologies such as parotid swelling or other muscular lesions. Case report - 21 year old male came with complaints of swelling and pain over the left cheek for past 6 months which was insidious in onset and non progressive.Patient did not have any history of trauma or increased salivation.On examination swelling of about 2*2 cm over the left cheek,well defined,non tender,soft in consistency.There was no pulsation,bruits or palpable thrill.There was no compressibility and the overlying skin was normal.There was no facial nerve involvement and parotid duct orifice was normal. Conclusion - The possibility of an Intramuscular hemangioma of the masseter muscle should be included in the differential diagnosis of any intra-masseteric lesion. Appropriate radiologic examinations, especially MRI, can enhance accurate preoperative diagnosis; the treatment of choice should be individualized in view of the clinical status of the patient.

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Intramuscular cavernous hemangiomas arising from masseter muscles

Cited by 3 publications

References 9 publications

Intramuscular Haemangioma with Diagnostic Challenge: A Cause for Strange Pain in the Masseter Muscle

Intramuscular Haemangioma with Diagnostic Challenge: A Cause for Strange Pain in the Masseter Muscle

Presumptive Intramuscular Hemangioma of the Masseter Muscle

Intramuscular Hemangioma of the Masseter Muscle:a Case Report

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