Pressure-induced alopecia is an unusual cause of hair loss, and reports of its trichoscopic features are scarce. In this paper, we describe a case of pressure-induced alopecia in which trichoscopic and histopathological findings overlap with those described for alopecia areata.
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| http://dx.doi.org/10.4103/0974-7753.188043 | DOI Listing |
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Pressure alopecias: A review.
J Am Acad Dermatol
January 2024
Trichology Clinic, Department of Dermatology, Hospital General "Dr. Manuel Gea González," Mexico City, Mexico. Electronic address:
Article Synopsis
- Pressure-induced alopecias (PAs) are a rare hair loss condition triggered by restricted blood flow to the scalp due to external pressure, occurring in two types: type 1 from prolonged pressure (such as during surgeries) and type 2 from cosmetic procedures involving injectables.
- Type 2 PA is becoming more common and can be confused with vascular occlusion-induced alopecia, highlighting the need for accurate diagnosis through clinical evaluation and potential use of trichoscopy.
- While hair loss can be evident, the condition is often self-limiting, with most cases seeing hair regrowth; treatment is generally unnecessary, but prognosis varies based on the extent of ischemia and response to timely interventions
Trichoscopy of Pressure-Induced Alopecia and Alopecia Areata: A Comparative Study.
Int J Trichology
February 2022
Department of Dermatology, Armed Forces Medical College, Pune, Maharashtra, India.
Background: Pressure-induced alopecia is an uncommon type of alopecia. It can occur in both scarring as well as non-scarring form and occurs due to ischemia resulting from prolonged head immobilisation during surgery or hospitalisation. The patchy hair loss generally involves convexities of scalp specially vertex and occiput.
View Article and Find Full Text PDFAlopecia in patients with COVID-19: A systematic review and meta-analysis.
JAAD Int
June 2022
Dr. Phillip Frost Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, Florida.
Background: COVID-19 is associated with androgenetic alopecia (AGA), telogen effluvium (TE), and alopecia areata (AA). No studies have analyzed the aggregate data to date.
Objective: We conducted a systematic review to characterize the types, incidence, timing, and clinical outcomes of COVID-19-associated alopecia.
Traction Alopecia: Clinical and Cultural Patterns.
Indian J Dermatol
January 2021
Dermatology and Pediatrics, Rutgers New Jersey Medical School, Newark, New Jersey, US.
Background: Traction alopecia is common and preventable but frequently overlooked disorder.
Objective: To evaluate patients with traction alopecia.
Patients And Methods: This study was conducted at the Dermatology Center, Medical City, Baghdad, Iraq, during the period from November 2005 to October 2019.
Acute onset traction-associated ulceration and alopecia.
Pediatr Dermatol
November 2021
Department of Dermatology, The University of Tennessee Health Science Center, Memphis, TN, USA.
Traction alopecia is a protracted form of hair loss resulting from persistent tension on the hair follicle . We report a case of a 9-year-old African American girl who presented with extensive scalp ulceration and alopecia 11 days after placement of a synthetic hair braid. Over a period of months, with consistent wound care and low-tension hairstyling, most of the hair regrew.
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