Eruptive vellus hair cysts - DermNet
Eruptive vellus hair cysts are thought to be the result of occlusion (blockage) at the level of the infundibulum (the part of the hair follicle just below the epidermis), subsequent cystic dilatation (enlargement) of the hair follicle and secondary atrophy (withering) of the hair bulb.
Eruptive vellus hair cyst - Wikipedia
Eruptive vellus hair cysts (or EVHC) are small lesions that occur most often in the chest wall, abdomen and extremities, often with a crusted surface. EVHC may occur randomly, or it can be inherited as an autosomal dominant trait; sporadic cases usually appear at 4–18 years of age.
Pathology Outlines - Vellus hair cyst
2015年1月1日 · Eruptive vellus hair cysts probably develop due to occlusion of the infundibulum of vellus hairs with resultant cystic dilatation and retention of keratinous debris and vellus hairs The primary cause of the obstruction is unknown
Eruptive vellus hair cyst - Dermatology Advisor
2019年3月13日 · Eruptive vellus hair cysts are usually 1-4 mm smooth brown or red-brown papules with no epidermal disruption (Figure 1). Cases with umbilication, hyperkeratosis, and epidermal elimination have been reported.
Eruptive Vellus Hair Cysts: An Underdiagnosed Entity - PMC
Eruptive vellus hair cyst (EVHC) is a rare follicular developmental abnormality of the vellus hair follicles. The usual onset is between 17 and 24 years but may be congenital. It can arise sporadically or may be inherited in an autosomal dominant fashion.
Eruptive vellus hair cysts: a systematic review - PubMed
2012年2月1日 · We report the results of the first systematic review of the worldwide literature on eruptive vellus hair cysts (EVHC). It is likely that EVHC are less rare than it may appear from the scarcity of related publications in the literature.
What Are Eruptive Vellus Hair Cysts? - iCliniq
2024年7月18日 · Eruptive vellus hair cysts (EVHC) are an uncommon dermatological condition known. Esterly and Cols originally coined the term "EVHC" in 1977. It is an anomaly in the vellus hair follicular development. The vellus hairs are fine, golden hairs typically occur on the face, upper body, and limbs.
Eruptive Vellus Hair Cysts: Causes, Signs, and Treatment
Eruptive Vellus Hair Cysts are small, benign cysts that develop on the skin due to the blockage of hair follicles. These cysts typically appear as tiny, flesh-colored bumps on the chest, limbs, or upper body.
Eruptive vellus hair cysts - The Primary Care Dermatology Society
2021年11月22日 · Eruptive vellus hair cysts (EVHC) is an uncommon condition, characterised by occlusion and cystic dilatation of vellus hair follicles, and presenting in children and young adults with multiple red-brown or blue-grey monomorphic …
Eruptive Vellus Hair Cysts - Medscape
2019年7月28日 · Eruptive vellus hair cysts (EVHCs) occur as a developmental abnormality of vellus hair follicles. A gradual disruption occurs between the proximal and distal parts of the follicle,...