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Review
. 2017 Dec;96(48):e8948.
doi: 10.1097/MD.0000000000008948.

Cavernous hemangiomas of the temporalis muscle with prominent formation of phleboliths: Case report and review of the literature

Bin Cui  1 , Dan-Hui Wang, Guan-Jun Wang, Peng Cheng, Feng Zhang, Xiao-Bing Duan, Zhong-Fu Zhao
Affiliations
Review

Cavernous hemangiomas of the temporalis muscle with prominent formation of phleboliths: Case report and review of the literature

Bin Cui et al. Medicine (Baltimore). 2017 Dec.

Abstract

Rationale: Hemangiomas are benign tumors characterized by an abnormal proliferation of blood vessels, most often occur in the skin and subcutaneous tissue, intramuscular hemangioma, a distinctive type of hemangioma within the skeletal muscle, account for <1% of all hemangiomas, temporalis muscle is a very uncommon site, cavernous hemangioma of the temporalis muscle with prominent formation of phleboliths is rare reported.

Patient concerns: A 62-year-old man presented with a slowly increased mass in his right temporal fossa.

Diagnoses: Computed tomography (CT) scan showed the lesion across the zygomatic arch, with many calcified nodules differ in sizes and no erosion to the bone, magnetic resonance imaging (MRI) showed an oval lesion with hypointense and isointense on T2-weighted imaging within the temporal muscle, and preoperation diagnosis was hemangioma.

Interventions: The tumor was resected under general anesthesia.

Outcomes: The mass was excised completely, and the histopathology examination confirmed the diagnosis of cavernous hemangioma with prominent formation of phleboliths. The patient recovered very well without dysfunctions.

Lessons: Cavernous hemangioma should be suspected when mass occurs in this region. CT and MRI are important for the early diagnosis of tumor, and resection the tumor completely is recommended.

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Conflict of interest statement

The authors have no funding and conflicts of interest to disclose.

Figures

Figure 1
Figure 1
Computed tomography shows the mass in the right temporal region with many calcified nodules and no erosion of the bone.
Figure 2
Figure 2
(A) T1-weighted coronal MRI scan shows a 6.2-cm ovoid mass within right temporal muscle and across the zygomatic arch. (B) T2-weighted coronal MRI scan shows millimetric hypointense structures in the mass. MRI = magnetic resonance imaging.
Figure 3
Figure 3
Histopathologic image shows cavernous vascular structures divided by fibrous septa. In part of vascular channels, we can see thrombi, and muscle tissue around it is visible.
See this image and copyright information in PMC

References

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    1. Odabasi AO, Metin KK, Mutlu C, et al. Intramuscular hemangioma of the masseter muscle. Eur Arch Otorhinolaryngol 1999;256:366–9. - PubMed

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