Choristoma - Wikipedia
WEBChoristomas, a form of heterotopia, are masses of normal tissues found in abnormal locations. [1] [2] [3] [4] In contrast to a neoplasm or tumor, the growth of a choristoma is normally regulated. [5] It is different from a hamartoma.
Choristoma | DermNet
WEBChoristoma is a rare benign tumour consisting of microscopically normal tissue derived from germ cell layers foreign to that body site. Choristomas are classified according to their type of tissue. They sometimes arise within the skin or oral cavity, and can also occur in internal organs.
Dermoid Cyst - EyeWiki
WEBA dermoid cyst is a congenital choristoma of the orbit. A choristoma is a benign tumor consisting of histologically normal cells occurring in an abnormal location. Dermoid cysts consist of keratinized epithelium and adnexal structures such as hair follicles, sweat glands, and sebaceous glands.
Pathology Outlines - Choristoma
WEBAug 1, 2013 · Definition / general. Choristoma is a tumor-like mass consisting of normal cells in an abnormal location ( J Oral Maxillofac Surg 2012;24:110 ) Hamartoma is a tumor-like malformation composed of mature normal cells in usual location but as a …
Choristoma - an overview | ScienceDirect Topics
WEBA choristoma is a developmental tumor-like growth of microscopically normal tissue in an abnormal location. The most common type of oral choristoma is composed of bone, cartilage, or both. Such lesions usually occur as nodular masses in the midline region, especially on the posterior dorsal tongue near the foramen cecum (almost 85% of cases).
Dermoid cysts | DermNet
WEBA dermoid cyst is a choristoma, a benign tumour consisting of microscopically normal tissue derived from germ cell layers foreign to that body site. In the skin, dermoid cysts are made up of epidermal and dermal components: keratinocytes, hair follicles and hair, and sweat glands .
Choristoma | Radiology Reference Article | Radiopaedia.org
WEBSep 17, 2023 · A choristoma is simply a collection of microscopically normal cells or tissues in an abnormal location. This is different to a hamartoma which is derived only from local tissues. Examples include: adrenal choristoma (myelolipoma) nasopharyngeal choristoma; facial nerve choristoma; optic nerve choristoma; trigeminal nerve …
Heterotopias, Teratoma, and Choristoma | SpringerLink
WEBA choristoma is a mass formed by heterotopic tissue. Thus, by definition, choristomas are benign tumors. While choristomas are frequently encountered in some parts of the body, such as in the case of endometriosis (ectopic ovarian tissue) in the pelvis, choristomas in the head and neck are relatively rare.
Choristomas | SpringerLink
WEBJan 1, 2016 · A choristoma is defined as a group of histologically normal cells in an abnormal location. A simple choristoma consists of one type of tissue, whereas a complex choristoma is comprised of multiple types of tissues.
Diagnosis and treatment of the pharyngeal glial choristoma... : …
WEBGlial choristoma, also named heterotopic central nervous system tissue, is a benign tumor involving with heterotopic tissue. The most common histological types are epidermoid cysts and dermoid tumors. Simple and complex choristomas are relatively rare.
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