- Case report
- Open access
- Published:
- Meghdad Ghasemi Gorji1,
- Ali Rafiei2 &
- Amirhossein Rajabi2
Journal of Medical Case Reports volume18, Articlenumber:341 (2024) Cite this article
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Abstract
Background
Superficial temporal artery aneurysm is a rare vascular abnormality without specific clinical symptoms. In this case report, we present the case of a patient with superficial temporal artery aneurysm who was diagnosed with migraine headache at first.
Case presentation
A 60-year-old Iranian man with a previous history of headaches, who did not respond properly to the treatments following the initial diagnosis of migraine, presented with a painless lump in the left temporal region, and he was diagnosed with superficial temporal artery aneurysm via Doppler ultrasound. Finally, surgical removal of the left superficial temporal artery aneurysm was performed.
Conclusions
This case shows the importance of vascular causes in the approach to headache etiologies, especially when the headache is prolonged without proper responses to treatment. Computed tomography angiography and magnetic resonance angiography are appropriate diagnostic methods for aneurysm detection that should be considered in future studies.
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Introduction
Superficial temporal artery (STA) aneurysm is a highly uncommon vascular abnormality that can be divided into true and false aneurysms. The majority of cases are classified as pseudoaneurysms and are often associated with blunt trauma. However, the spontaneous development of true STA aneurysms is a rare phenomenon, and the underlying mechanism leading to their development remains largely unknown [1]. Headache is one of the rarest symptoms associated with true STA aneurysm. However, accurate diagnosis of headache etiologies is sometimes challenging, resulting in inappropriate use of diagnostic resources, increased incidence of illness and mortality, and higher costs in establishing the correct diagnosis [2, 3]. In this case report, we present a patient who was diagnosed with migraine headache despite having a true STA aneurysm.
Case presentation
A 60-year-old Iranian male patient was referred to the Motahari clinic (Shiraz, Iran) by his family physician owing to a painless lump that had grown in his left temporal region (Fig.1). The patient initially noticed the mass approximately 7years ago but chose to dismiss it due to its small size and painlessness. Nevertheless, the lump exhibited gradual progression in size over the years. He denies any history of trauma to his head or face. Additionally, the patient reported experiencing intermittent headaches for about 5years. He has been receiving medical treatment for a prolonged time for recurring headaches diagnosed as migraine. Unfortunately, the patient exhibited an inadequate response to the treatment administered. Upon examination, a nontender, pulsatile mass with a diameter of 1cm was palpated that did not subside upon pressure on the proximal segment of the superficial temporal artery. An ultrasound examination of the soft tissue revealed a round lesion measuring 11.5 × 8.5mm in size that appeared to be connected to the frontal branch of the left superficial temporal artery. Additionally, a color Doppler study demonstrated vascularity, leading to the diagnosis of a superficial temporal artery aneurysm. Surgical removal of the left STA aneurysm was performed (Fig.2). The pathology report for the resected STA aneurysm indicated that the intima, media, and adventitia were well preserved. The patient did not report any headaches after the operation. On follow-up a month later, no complaints were mentioned.
A painless lump has been noticed on the left temporal region
The superficial temporal artery aneurysm was clearly visible during the surgery
Discussion
An aneurysm is the abnormal dilation of a particular blood vessel in a localized area. The reason for most aneurysms observed in large- to medium-sized arteries is unclear, as only a small fraction have identifiable pathological causes. Inflammation, upregulation of proteolytic pathways, and loss of arterial wall matrix are some of the pathological mechanisms that contribute to the development of most degenerative aneurysms. The prevalence of aneurysms varies depending on the location. For instance, aneurysms are frequently observed in some body regions, including the abdominal aorta, but infrequently in other areas, such as the external iliac artery. According to the literature, the superficial temporal artery is one of the rarest locations for arterial aneurysms, which are often post-traumatic pseudoaneurysms.
A true STA aneurysm is even rarer than an STA pseudoaneurysm. After reviewing relevant literature, it can be concluded that an STA aneurysm alone is not usually life-threatening. However, it is essential to recognize the potential clinical significance of having aneurysms in multiple anatomical regions. According to a study by Norman etal. in 2010, autopsies found that nearly 40% of men and 25% of women with a thoracic aneurysm also had coexisting abdominal aortic, iliac, or femoral aneurysms. Additionally, around 7% of patients with abdominal aortic aneurysms (AAAs) and 5% with thoracic aortic aneurysms (TAAs) were found to have a cerebral aneurysm, suggesting a weak association between them [4]. The occurrence of simultaneous intracranial aneurysms (IA) in patients with true spontaneous aneurysm of STA was first reported by Ohta etal. in 2003 [5]. Subsequently, there have been reports of three more cases with concurrent aneurysms [6,7,8]. It is noteworthy that, in all four documented cases, two patients experienced subarachnoid hemorrhage (SAH) in connection with the coexistence of IA and STAA.
Conclusions
Therefore, it is reasonable to investigate the presence of aneurysms in other body regions when STA aneurysms are detected take appropriate preventive measures and avoid potential complications. Computed tomography angiography (CTA) and magnetic resonance angiography (MRA) are appropriate diagnostic methods for detecting STA aneurysms, which is reasonable due to the possible coexisting aneurysms in different locations, such as cerebral arteries.
In our case, the patient complained of prolonged headaches that did not respond well to migraine treatment. Therefore, conducting a CTA and brain magnetic resonance imaging (MRI) was deemed appropriate to investigate other potential causes. Despite the tests being normal for intracranial lesions, they were essential to rule out any other conditions that could be causing the patient’s headache.
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Abbreviations
- STA:
-
Superficial temporal artery
- STAA:
-
Superficial temporal artery aneurysm
- CTA:
-
Computed tomography angiography
- MRA:
-
Magnetic resonance angiography
References
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Acknowledgements
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Funding
This work was entirely funded by the authors. No external funding was received for the conceptualization, design, data collection, analysis, decision to publish, or preparation of the manuscript. The authors provided all financial support for every aspect of this research.
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Authors and Affiliations
Department of Vascular Surgery, Shiraz University of Medical Science, Shiraz, Iran
Meghdad Ghasemi Gorji
Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
Ali Rafiei&Amirhossein Rajabi
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- Meghdad Ghasemi Gorji
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- Ali Rafiei
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Contributions
Ali Rafiei was responsible for the initial writing of the case presentation, collecting the appropriate figures, and participating in exploring the latest relevant findings in the literature. Amirhossein Rajabi was responsible for receiving and extracting information from the patient’s file and coordinating with the hospital; he cooperated in completing the sections and creating the final version. Meghdad Ghasemi Gorji, the patient’s surgeon, identified the importance and rarity of the patient, performed the treatment workups, and helped in designing the study.
Corresponding author
Correspondence to Meghdad Ghasemi Gorji.
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This research is based on the ethics guidelines of the Biomedical Research Ethics Committee of Shiraz University of Medical Sciences.
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Ghasemi Gorji, M., Rafiei, A. & Rajabi, A. Superficial temporal artery aneurysm misdiagnosed in a patient with long-term migraine headache treatment: a case report. J Med Case Reports 18, 341 (2024). https://doi.org/10.1186/s13256-024-04647-4
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DOI: https://doi.org/10.1186/s13256-024-04647-4
Keywords
- Superficial temporal artery aneurysm
- Vascular surgery
- Headache etiology
- Case report