en تروما Trauma پژوهشی Research Article <div style="text-align: justify;"><span style="font-size:14px;"><span style="font-family:Tahoma;"><span style="line-height:2;"><strong>Background and Objectives</strong>: Acquired local hypertrichosis occurs unilaterally in the same organ, causing asymmetry and beauty-related issues. This study investigates the prevalence of hypertrichosis after the casting of limb fractures, addressing patient concerns, preventive measures, and timely treatment.<br> <strong>Methods</strong>: In this prospective cohort study, 82 patients who were hospitalized in the orthopedic department of Hazrat Rasul Akram educational, research and treatment complex in 2019 and required limb casting due to fractures or trauma were included. Demographic and clinical information of the patients were collected through interviews or by consulting the patient&rsquo;s clinical file. The severity of the trauma and the presence of hypertrichosis were also determined by clinical examination.<br> <strong>Results</strong>: Out of a total of 82 participants in the study, 41(50%) were male and 41(50%) were female. The mean age was 41.04&plusmn;22.14 years. The mean duration of casting was 4.65&plusmn;1.02 weeks. Meanwhile, 80(97.6%) people had undergone plaster casting once; however, 43 people (52.4%) had minor fractures. The most commonly injured site was the distal tibia, accounting for 30.48% of cases. The patients with hypertrichosis and patients without hypertrichosis were the two study groups, and the mean age in each group was significantly different from the other (P=0.0001); however, no other significant relationships or differences were discovered (P>0.05).<br> <strong>Conclusion</strong>: The incidence of hypertrichosis in Iranian society is 8.5%, which is slightly lower compared to other societies. Younger patients in Iran are more susceptible to developing hypertrichosis after limb casting of broken limbs.&nbsp;</span></span></span></div> Hypertrichosis, Cast, Severity of trauma 173 180 http://jros.iums.ac.ir/browse.php?a_code=A-10-1003-2&slc_lang=en&sid=1 Ali Yeganeh yeganeh471@yahoo.com 10031947532846006673 10031947532846006673 No Department of Orthopedic, School of Medicine, Iran University of Medical Sciences, Tehran, Iran. Amir Ebrahimzadeh Babaki amirebrahimzadeh13@gmail.com 10031947532846006674 10031947532846006674 Yes Department of Orthopedic, School of Medicine, Iran University of Medical Sciences, Tehran, Iran. Anahid Bagheripour ad71br@yahoo.com 10031947532846006675 10031947532846006675 No Iran University of Medical Sciences, Tehran, Iran.