Cutaneous arterial fibromuscular dysplasia: a case report and electron-microscopic study. 1994

M Setoyama, and T Shimada, and T Kanzaki, and K Moriya, and K Okahara, and T Asakura
Department of Dermatology, Faculty of Medicine, Kagoshima University, Japan.

A case of a 39-year-old female with fibromuscular dysplasia (FMD) manifesting subcutaneous pulsatile nodules on the right side of her forehead and on her right wrist is reported here. These nodules proved to be FMD aneurysms of the frontal ramus of the right superficial temporal artery and the right radial artery. The patient had also suffered a stroke with subarachnoidal bleeding as a result of this disease. Angiographic examination showed aneurysms in the union and the bilateral vertebral arteries, a branch of the right renal artery, and one the right lumbar artery. A biopsy specimen taken from the frontal branch of the right superficial artery revealed segmental intimal thickening consistent with intimal fibroplasia type FMD upon histological examination. Electron-microscopic findings were also discussed in connection with the histogenesis of the disease. This appears to be the second case of FMD involving arteries in the skin to be reported in the dermatological literature.

UI MeSH Term Description Entries
D008854 Microscopy, Electron Microscopy using an electron beam, instead of light, to visualize the sample, thereby allowing much greater magnification. The interactions of ELECTRONS with specimens are used to provide information about the fine structure of that specimen. In TRANSMISSION ELECTRON MICROSCOPY the reactions of the electrons that are transmitted through the specimen are imaged. In SCANNING ELECTRON MICROSCOPY an electron beam falls at a non-normal angle on the specimen and the image is derived from the reactions occurring above the plane of the specimen. Electron Microscopy
D009131 Muscle, Smooth, Vascular The nonstriated involuntary muscle tissue of blood vessels. Vascular Smooth Muscle,Muscle, Vascular Smooth,Muscles, Vascular Smooth,Smooth Muscle, Vascular,Smooth Muscles, Vascular,Vascular Smooth Muscles
D005260 Female Females
D005352 Fibromuscular Dysplasia An idiopathic, segmental, nonatheromatous disease of the musculature of arterial walls, leading to STENOSIS of small and medium-sized arteries. There is true proliferation of SMOOTH MUSCLE CELLS and fibrous tissue. Fibromuscular dysplasia lesions are smooth stenosis and occur most often in the renal and carotid arteries. They may also occur in other peripheral arteries of the extremity. Fibromuscular Dysplasia of Arteries,Arteries Fibromuscular Dysplasia,Arteries Fibromuscular Dysplasias,Dysplasia, Fibromuscular,Fibromuscular Dysplasias
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000783 Aneurysm Pathological outpouching or sac-like dilatation in the wall of any blood vessel (ARTERIES or VEINS) or the heart (HEART ANEURYSM). It indicates a thin and weakened area in the wall which may later rupture. Aneurysms are classified by location, etiology, or other characteristics. Saccular Aneurysm,Fusiform Aneurysm,Aneurysm, Fusiform,Aneurysms,Aneurysms, Fusiform,Fusiform Aneurysms
D001158 Arteries The vessels carrying blood away from the heart. Artery
D012867 Skin The outer covering of the body that protects it from the environment. It is composed of the DERMIS and the EPIDERMIS.

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