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54 Possible Causes for Thinning of Smooth Muscle Layers

  • Rosacea

    muscle: In rosacea subjects, the muscular layer of facial blood vessels is often found to be damaged and abnormally thin. (3, 14, 18-20) Damage to endothelial cells: In rosacea[web.archive.org] […] sufferers demonstrate that a significant portion of facial blood vessels are 'broken'; these vessels are permanently fixed in a dilated state. (13-18) Damage to vascular smooth[web.archive.org]

  • Tracheobronchomegaly

    Mounier-Kuhn syndrome is a rare congenital abnormality characterized by atrophy or absence of elastic fibers and thinning of smooth muscle layer in the trachea and main bronchi[ncbi.nlm.nih.gov] […] of smooth muscle layer in trachea and main bronchi.[jacpjournal.org] […] of the smooth muscle layer.[ncbi.nlm.nih.gov]

  • Mounier-Kühn Syndrome

    Mounier-Kuhn syndrome is a congenital abnormality characterized by tracheobronchomegaly as a result of atrophy or absence of elastic fibers and thinning of smooth muscle layer[ingentaconnect.com] […] of smooth muscle layer in trachea and main bronchi.[jacpjournal.org] Etiology Mounier-Kühn syndrome results from the atrophy of elastic fibers in the trachea and main bronchi which lead to thinning of the smooth muscle layer and subsequent[orpha.net]

  • Duodenal Diverticulum

    layers of smooth muscle fibres oriented in different ways (thanks to the mesoderm), propagating peristaltic waves.[cureus.com] The muscular layer (mesoderm) is composed of smooth muscle fibres divided into an internal circular layer and an external longitudinal layer.[cureus.com] The submucosa (mesoderm) is a thin layer of connective tissue containing blood and lymphatic vessels and nerves that branch into the mucosa and in the muscularis externa.[cureus.com]

  • Uterine Fibroid

    The uterus is composed of a thick layer of smooth muscle (myometrium) surrounding a thin lining (the endometrium) into which the embryo implants and which serves to protect[newyorkfertilityservices.com]

  • Colonic Pseudo-Obstruction

    A thin layer of smooth muscle called muscularis mucosae, a submucosa formed by dense irregular connective tissue that carries the larger blood vessels and a nervous component[wikivisually.com] The four layers that make up the wall of the ileum are consistent with those of the gastrointestinal tract. From the inner to the surface, these are, A mucous membrane.[wikivisually.com]

  • Spigelian Hernia

    A thin layer of smooth muscle called muscularis mucosae, a submucosa formed by dense irregular connective tissue that carries the larger blood vessels and a nervous component[wikivisually.com] The four layers that make up the wall of the ileum are consistent with those of the gastrointestinal tract. From the inner to the surface, these are, A mucous membrane.[wikivisually.com]

  • Cervical Cancer

    The outermost cervical stroma is depicted as a thin layer of intermediate signal intensity, which likely reflects the predominance of smooth muscle in this region of the stroma[emedicine.com]

  • Abdominal Aortic Aneurysm

    The aortic wall contains smooth muscle, elastin, and collagen arranged in concentric layers in order to withstand arterial pressure.[emedicine.com] AAA reveal the following (see the image below): Inflammation, with infiltration by lymphocytes and macrophages Thinning of the media Marked loss of elastin Inflammation, thinning[emedicine.com]

  • Blue Rubber Bleb Nevus Syndrome

    The vascular wall was formed by several layers of smooth muscle cells, intermixed with abundant aggregates of elastic lamellae and thin collagen fibers.[ncbi.nlm.nih.gov] Histological examination revealed cavernous venous dilatations, with a thin wall of smooth muscle cells lined by a simple layer of endothelial cells[ 26 ].[doi.org]

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