The tumor-like proliferation of vascular tissue within the lumen of blood vessels is an uncommon phenomenon, the cause of which is not known.1-3 Physicians unfamiliar with these benign intravascular processes are apt to mistake them for a vascular neoplasm or for a primary vasculitis.
Report of a Case.
A 27-year-old man sought medical attention because of a tender nodule on the right temporal side of his forehead. A biopsy of the lesion was performed, and the diagnosis of the final pathologic report was temporal arteritis. The patient was referred to an ophthalmologist for further examination. Because the patient was young, in good health, and without evidence of any systemic disease, it was suspected that the biopsy specimen had been mislabeled. A second opinion on the specimen was requested.Histologically, the tissue consisted of a muscular artery with a well-developed internal elastic membrane. Nearly one third of the internal elastic
Margo CE. Intravascular Hemangioma of the Temporal Artery. Arch Ophthalmol. 1994;112(8):1024. doi:10.1001/archopht.1994.01090200026011