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Showing 2 results for Keloid

Amir Hooshang Ehsani, Mahboobeh Sadat Hosseyni, Kambiz Kamyab, Masoomeh Rohani Nasab, Amir Reza Hanifnia, Pejman Mobasher, ,
Volume 3, Issue 2 (6-2012)
Abstract

Background and Aim: Cicatricial alopecia is characterized by permanent destruction of the pilosebaceous unit, leading to irreversible hair loss, and has primary and secondary types. Primary type, based on predominant inflammatory infiltration in histology, is divided to neutrophilic, lymphocytic and mix types. Decalvans folliculitis, dissecting cellulitis and acne keloidalis are 3 subtypes of neutrophilic group. In this study frequency of each subtype and the distribution of age, gender and duration of disease have been reviewed.

Methods: This retrospective study was performed on patients with clinical diagnosis of cicatricial alopecia and histologic confirmation referred to Razi hospital in Tehran in 2005-2009.

Results: Of 135 patients with mean (mean±SD) age of 32±10.6 years, 71.9% were male and 28.1% were female. The diagnoses included decalvans folliulitis (72.6%) with mean age of 31.89 years, dissecting cellulitis (25.0%) with mean age of 32.4 years and acne keloidalis (1.5%) with mean age of 52 years. The mean duration of disease was 4.2±3.9 years (4.08 years in male and 4.7 years in female). The mean duration of disease in decalvans folliulitis was 4.7, in dissecting cellulitis was 1.9 and in acne keloidalis was 17.5 years.

Conclusion: Neutrophilic scarring alopecia is more common in men and in the third decade of age and the most common type is decalvans folliulitis.


Narjes Rastguo, Roya Lari,
Volume 10, Issue 4 (1-2020)
Abstract

Hypertrophic scars and keloids are fibrosis abnormalities associated with the accumulation of collagen and extra cellular matrix components. These scars are caused by abnormal wound healing, which may occur after skin injuries caused by surgery, trauma, burns, etc. and may have a large impact on the patients’ quality of life. Hypertrophic scars and colloids in addition to aesthetic problems can cause functional disruption due to tissue contraction and itching. Large numbers of research are currently being performed in the area of scar prevention or treatment, but since the physiopathological mechanisms of scar formation have not been fully elucidated, the current strategies are still unsatisfactory. In this review, we discuss the recent biological advances in scar formation and current and future strategies for the prevention and treatment of hypertrophic and keloid scars.

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