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ABSTRACT Background Aims Methods Results Conclusions Habitual tic nail dystrophy is a prevalent condition among adults; however, it has received limited scholarly attention.This study aims to report the case of habitual tic nail dystrophy with a duration of 13 years.The patient was advised to modify his lifestyle habits and was followed up regularly over the course of 1 year to assess changes in the appearance of his nails.The appearance of the nails normalized during the 1‐year follow‐up period.The appearance of nails in patients with habitual tic nail dystrophy can be significantly improved through lifestyle modifications and by minimizing the stimulation of the nail matrix. [ABSTRACT FROM AUTHOR]

Abstract Introduction Since during the COVID-19 pandemic nail psoriasis was evaluated exclusively with teledermatology, dermatologists started to face the difficulty in rating it concurrent with other onycopathies (i.e., onychotillomania and onychophagy). Thus, we aimed to improve the existing severity scores and verify the value in different clinical settings (i.e., in person vs. teledermatology (video or picture)). Methods This multicenter prospective observational study evaluated patients with nail psoriasis and screened them for onychophagy or onychotillomania in telemedicine from May 2020 to January 2021. For therapeutic purposes patients with nail psoriasis were followed and rated with the Nijmegen-Nail psoriasis Activity Index tooL (N-NAIL) for 9 months; at the same time, N-NAIL and a new dedicated index that monitor also the changes in nail dimension (Galeazzi-(G) N-NAIL) were tested for accuracy. We assessed inter- and intraobserver agreement for the three different settings (in person, video, and pictures). Results In our cohort of 382 patients with nail psoriasis after a clinical and dermatoscopic assessment we found 20 (5.24%) patients with onychophagy and 17 (4.45%) patients with onychotillomania. Analysis of the impact of nail psoriasis on patients revealed that onycholysis and crumbing, followed by subungual hyperkeratosis, were the clinical signs that prevalently bothered patients. N-NAIL score displayed moderate intra- and interobserver agreement. Over the 9 months follow-up, N-NAIL vs. GN-NAIL displayed a solid correlation at all the examined time points, i.e., baseline and after 3, 6, and 9 months. Conclusion We created a new tool, the GN-NAIL capable of efficiently scoring nail psoriasis severity in complex cases, such as patients with onychotillomania and onychophagy, and monitor response to treatment during the COVID-19 pandemic.

Introduction: Since during the COVID-19 pandemic nail psoriasis was evaluated exclusively with teledermatology, dermatologists started to face the difficulty in rating it concurrent with other onycopathies (i.e., onychotillomania and onychophagy). Thus, we aimed to improve the existing severity scores and verify the value in different clinical settings (i.e., in person vs. teledermatology (video or picture)). Methods: This multicenter prospective observational study evaluated patients with nail psoriasis and screened them for onychophagy or onychotillomania in telemedicine from May 2020 to January 2021. For therapeutic purposes patients with nail psoriasis were followed and rated with the Nijmegen-Nail psoriasis Activity Index tooL (N-NAIL) for 9 months; at the same time, N-NAIL and a new dedicated index that monitor also the changes in nail dimension (Galeazzi-(G) N-NAIL) were tested for accuracy. We assessed inter- and intraobserver agreement for the three different settings (in person, video, and pictures). Results: In our cohort of 382 patients with nail psoriasis after a clinical and dermatoscopic assessment we found 20 (5.24%) patients with onychophagy and 17 (4.45%) patients with onychotillomania. Analysis of the impact of nail psoriasis on patients revealed that onycholysis and crumbing, followed by subungual hyperkeratosis, were the clinical signs that prevalently bothered patients. N-NAIL score displayed moderate intra- and interobserver agreement. Over the 9 months follow-up, N-NAIL vs. GN-NAIL displayed a solid correlation at all the examined time points, i.e., baseline and after 3, 6, and 9 months. Conclusion: We created a new tool, the GN-NAIL capable of efficiently scoring nail psoriasis severity in complex cases, such as patients with onychotillomania and onychophagy, and monitor response to treatment during the COVID-19 pandemic. [ABSTRACT FROM AUTHOR]

Anon Paichitrojjana School of Anti-Aging and Regenerative Medicine, Mae Fah Luang University, Bangkok, ThailandCorrespondence: Anon Paichitrojjana, School of Anti-Aging and Regenerative Medicine, Mae Fah Luang University 36/87-88 PS Tower 25Fl, Asoke Road, Sukhumvit 21, Klong Toey Nua, Wattana, Bangkok, 10110, Thailand, Tel +66-81-9343050, Email anonpaic@gmail.comAbstract: Onychotillomania is characterized by an irresistible urge to pick or pull at one’s nails, resulting in significant damage to the nail and surrounding tissue. In severe cases, it can cause onychodystrophy, which leads to abnormal changes in nail shape, color, texture, and growth. Managing onychotillomania can be challenging due to the lack of standard treatment and concurrent behavioral disorders. Pharmacotherapy and behavioral therapy have shown some positive outcomes from reported cases. The treatment for onychodystrophy varies depending on the underlying cause and may entail the application of topical, systemic, or laser therapies. Nevertheless, there is currently no consensus on the most effective treatment approach. This report presents a case of onychodystrophy caused by onychotillomania successfully treated using a pulsed dye laser 595 nm. The treatment was administered four times, with a two-week interval between sessions. Significant improvement was seen within four weeks of starting the treatment, and by the end of the eight-week program, the dystrophic thumbnails had almost completely resolved. After a thorough ten-month follow-up, it has been determined that the dystrophic nails have not reappeared. Moreover, there has been a significant decrease in the patient’s tendency to pull her nails.Plain Language Summary: Current treatment modalities of onychodystrophy will vary depending on the underlying cause of this condition, including topical, systemic, and laser treatment. Unfortunately, no universally accepted treatment has proven the most effective. This report presents a successful treatment for dystrophic nails caused by onychotillomania using the pulsed dye laser with a wavelength of 595 nm. The patient’s dystrophic nails did not return, and the nail-pulling habit decreased at ten months of follow-up.Keywords: onychodystrophy, nail dystrophy, onychotillomania, pulsed dye laser, laser treatment

Abstract Background Obsessive–compulsive disorder is a condition in which patients experience an obsession and/or a compulsion. It has a high impact on the quality of life, and is associated with an increased prevalence of psychiatric comorbidities in patients. Onychotillomania is an underestimated psychodermatosis caused by repeated self-inflicted damage to the nail unit. In patients, it is characterized by an obsessive or irrepressible impulse to repeatedly damage their own nails, resulting in their destruction. It is a chronic condition that is difficult to manage, largely because of its psychocutaneous character, as well as its high tendency to interact with underlying neuropsychiatric diseases or other behavioral disorders. Only a few studies have reported an association between obsessive–compulsive disorder and onychotillomania, which typically presents with therapeutic challenges. Cognitive behavioral therapy, physical-barrier approaches, and pharmaceutical treatments have been reported to be beneficial in the management of onychotillomania; however, no major clinical studies have investigated the effectiveness of these therapies. Onychotillomania remains a clinical and therapeutic issue owing to the lack of evidence-based treatment techniques. Case presentation We report a case of an 18-year-old, middle-eastern female patient who developed onychotillomania when she was being treated with paroxetine for obsessive–compulsive disorder and was showing partial improvement. The patient developed side effects from paroxetine, and was switched to fluoxetine. Thereafter, improvement in her obsessive–compulsive disorder was observed, which relapsed when treatment was discontinued. However, the onychotillomania symptoms did not reemerge. Conclusion Onychotillomania typically presents both diagnostic and therapeutic challenges. Fluoxetine plays an important role in the treatment of onychotillomania and other psychiatric disorders. However, large-scale studies should be conducted before these outcomes can be generalized.

Background: Obsessive-compulsive disorder is a condition in which patients experience an obsession and/or a compulsion. It has a high impact on the quality of life, and is associated with an increased prevalence of psychiatric comorbidities in patients. Onychotillomania is an underestimated psychodermatosis caused by repeated self-inflicted damage to the nail unit. In patients, it is characterized by an obsessive or irrepressible impulse to repeatedly damage their own nails, resulting in their destruction. It is a chronic condition that is difficult to manage, largely because of its psychocutaneous character, as well as its high tendency to interact with underlying neuropsychiatric diseases or other behavioral disorders. Only a few studies have reported an association between obsessive-compulsive disorder and onychotillomania, which typically presents with therapeutic challenges. Cognitive behavioral therapy, physical-barrier approaches, and pharmaceutical treatments have been reported to be beneficial in the management of onychotillomania; however, no major clinical studies have investigated the effectiveness of these therapies. Onychotillomania remains a clinical and therapeutic issue owing to the lack of evidence-based treatment techniques.Case Presentation: We report a case of an 18-year-old, middle-eastern female patient who developed onychotillomania when she was being treated with paroxetine for obsessive-compulsive disorder and was showing partial improvement. The patient developed side effects from paroxetine, and was switched to fluoxetine. Thereafter, improvement in her obsessive-compulsive disorder was observed, which relapsed when treatment was discontinued. However, the onychotillomania symptoms did not reemerge.Conclusion: Onychotillomania typically presents both diagnostic and therapeutic challenges. Fluoxetine plays an important role in the treatment of onychotillomania and other psychiatric disorders. However, large-scale studies should be conducted before these outcomes can be generalized. [ABSTRACT FROM AUTHOR]

This is a case study of a 55-year-old woman presenting with dystrophic nails that arose during her teenage years and has worsened over the last few years. The patient reported frequent wet work, exposure to irritants, and cuticle manipulation. The physical examination showed proximal nail fold bolstering, loss of cuticle, and a wavy dorsal nail plate resembling a "washboard." She was diagnosed with chronic paronychia and onychotillomania. She was prescribed clobetasol ointment and sulfacetamide in ethanol and was counseled on hygiene and at-home care. One month after the regimen was started, there was noticeable reduction of inflammation to the cuticle. [ABSTRACT FROM AUTHOR]

Nail examination is an important aspect of a wholistic dermatological examination, which when overlooked leads to missing out on important and interesting relevant findings. We observed one such typical interesting finding in a patient who presented to the out patient department with characteristic nail changes suggestive of habit tic type of onychotillomania as an incidental finding. Further, dermoscopy of the affected nails showed characteristic features of the same.

Nail dermoscopy (onychoscopy) is a valuable diagnostic tool for evaluating diseases in the nail apparatus. It is non-invasive, allowing clinicians to prioritize particular nails for biopsy. Thus, it can improve diagnostic accuracy and expedite treatment. Evaluating inflammatory nail disorders using onychoscopy is a relatively new approach to clinical assessment and has the potential to augment clinical care. This review highlights key dermoscopic features of major inflammatory nail disorders, including trachyonychia, nail psoriasis, nail lichen planus, onychotillomania, nail lichen striatus and allergic contact dermatitis due to artificial nails. It also illustrates their management and differential diagnoses, including onychomycosis, onycholysis, nail dystrophy due to systemic amyloidosis and malignant nail tumours. Limitations of this review included the low amount of literature on this topic and non-standardized terminology used among researchers. As onychoscopy is a relatively new technique, further studies and standardization of terminology are warranted to consolidate the role of dermoscopy in evaluating inflammatory nail disorders. [ABSTRACT FROM AUTHOR]

Nail dermoscopy (onychoscopy) is a valuable diagnostic tool for evaluating diseases in the nail apparatus. It is non-invasive, allowing clinicians to prioritize particular nails for biopsy. Thus, it can improve diagnostic accuracy and expedite treatment. Evaluating inflammatory nail disorders using onychoscopy is a relatively new approach to clinical assessment and has the potential to augment clinical care. This review highlights key dermoscopic features of major inflammatory nail disorders, including trachyonychia, nail psoriasis, nail lichen planus, onychotillomania, nail lichen striatus and allergic contact dermatitis due to artificial nails. It also illustrates their management and differential diagnoses, including onychomycosis, onycholysis, nail dystrophy due to systemic amyloidosis and malignant nail tumours. Limitations of this review included the low amount of literature on this topic and non-standardized terminology used among research­ers. As onychoscopy is a relatively new technique, further studies and standardization of terminology are warranted to consolidate the role of dermoscopy in evaluating inflammatory nail disorders.

Nail examination is an important aspect of a wholistic dermatological examination, which when overlooked leads to missing out on important and interesting relevant findings. We observed one such typical interesting finding in a patient who presented to the out patient department with characteristic nail changes suggestive of habit tic type of onychotillomania as an incidental finding. Further, dermoscopy of the affected nails showed characteristic features of the same. [ABSTRACT FROM AUTHOR]

In September 2019, the New York Times (NYT) published the article "Fighting the Shame of Skin Picking," which discussed the cosmetic, social and emotional impacts of body-focused repetitive behaviors (BFRBs). BFRBs, including excoriation disorder, trichotillomania, onychotillomania, and onychophagia, are recurring actions that damage one's physical appearance. The aim of this study is to characterize the demographic information provided and themes raised in the 166 comments posted in response to the article. The most commonly reported condition was skin picking (38.2%), followed by trichotillomania and/or trichophagia (30.3%), onychotillomania (24.7%), and onychophagia (23.6%). All conditions had a female predominance. Treatment of body-focused repetitive behaviors was the most common topic of discussion, followed by shame and impact on appearance. Since commenters described significant impairments to quality of life, larger randomized controlled trials on skin picking, trichotillomania, onychophagia, and onychotillomania are necessary to provide evidence-based management to patients. [ABSTRACT FROM AUTHOR]

Self-induced nail disorders are a broad group of different clinical manifestations that share the common trait of being caused more or less voluntarily by the patient. These are distinct conditions within the clinical spectrum of onychotillomania. Most patients diagnosed with these disorders have psychiatric co-morbidities, and a multidisciplinary approach is thus highly recommended. The purpose of this review is to describe the most common clinical features encountered during daily nail consultations and to provide useful diagnostic tools and therapeutic tips for the best approach to these conditions., (Copyright © 2023 Elsevier Masson SAS. All rights reserved.)

Background: Onychotillomania is a nail-picking disorder characterized by nail dystrophy and abnormal morphology of the nail plate, nail bed, and periungual skin.Objective: The purpose of this study was to describe the dermoscopic features of onychotillomania.Methods: A retrospective study of the dermoscopy images of 36 patients affected by onychotillomania. The images were reviewed independently by both authors and a list of dermatoscopic findings was established.Results: Scales were observed in 34 cases (94.4%). Absence of the nail plate was seen in 30 cases (83.3%). Wavy lines were observed in 25 cases (69.4%). Hemorrhages were observed in 23 cases (63.9%). Crusts were seen in 22 cases (61.1%). Nail bed pigmentation was observed in 17 cases (47.2%). Speckled dots were observed in 14 cases (38.9%). Nail plate melanonychia was observed in 4 cases (11.1%).Limitations: Limitations included small sample size and retrospective study.Conclusion: Absence of the nail plate with multiple obliquely oriented nail bed hemorrhages, nail bed gray pigmentation, and presence of wavy lines are characteristic findings of onychotillomania and not seen in other nail diseases. [ABSTRACT FROM AUTHOR]

Nail tic disorders are classic examples of overlap between the domains of dermatology and psychiatry. They are examples of body-focused repetitive behaviors in which there is an irresistible urge or impulse to perform a certain behavior. The behavior is reinforced as it results in some degree of relief and pleasure. Nail tic disorders are common, yet poorly studied and understood. The literature on nail tic disorders is relatively scarce. Common nail tics include nail biting or onychophagia, onychotillomania and the habit tic deformity. Some uncommon and rare nail tic disorders are onychoteiromania, onychotemnomania, onychodaknomania and bidet nails. Onychophagia is chronic nail biting behavior which usually starts during childhood. It is often regarded as a tension reducing measure. Onychotillomania is recurrent picking and manicuring of the fingernails and/or toenails. In severe cases, it may lead to onychoatrophy due to irreversible scarring of the nail matrix. Very often, they occur in psychologically normal children but may sometimes be associated with anxiety. In severe cases, onychotillomania may be an expression of obsessive-compulsive disorders. Management of nail tic disorders is challenging. Frequent applications of distasteful topical preparations on the nail and periungual skin can discourage patients from biting and chewing their fingernails. Habit-tic deformity can be helped by bandaging the digit daily with permeable adhesive tape. Fluoxetine in high doses can be helpful in interrupting these compulsive disorders in adults. For a complete diagnosis and accurate management, it is imperative to assess the patient's mental health and simultaneously treat the underlying psychiatric comorbidity, if any. [ABSTRACT FROM AUTHOR]

Onychotillomania is an uncommon and likely underreported condition in which patients repetitively manipulate the different constituents of the nail unit. Onychotillomania is characterized by a range of nonspecific findings, including bizarre morphology of the nail plate and damage to the nail bed and periungual skin. Histopathological changes are also nonspecific, but may be viewed as analogous to lichen simplex chronicus and prurigo nodularis of the skin. Clinical history is essential to making this diagnosis, as effective treatment modalities may focus on behavioral therapies and psychiatric medications. [ABSTRACT FROM AUTHOR]

Highlights: [•] We report a case of a male client with a clinically significant nail picking habit. [•] Characteristics of the nail picking resembled hair pulling and skin picking disorders. [•] The client responded moderately well to acceptance-enhanced behavior therapy. [ABSTRACT FROM AUTHOR]

Onychophagia is defined as chronic nail biting behaviour, which usually starts during childhood. Onychotillomania results from recurrent picking and manicuring of the fingernails and/or toenails, leading to visual shortening and/or estraction of nails. The aim of this study was to assess the prevalence of onychophagia and onychotillomania in young adults, and the comorbidity of these conditions with anxiety disorders and obsessive compulsive disorders (OCD), as well as to determine factors related to these behaviours. A total of 339 individuals were interviewed with a structured questionnaire. Onychophagia was present in 46.9% of participants (including 19.2% active and 27.7% past nail biters), and an additional 3 people (0.9%) had onychotillomania. The majority of subjects (92.2%) described nail biting as an automatic behaviour. Tension before nail biting was reported by 65.7% of nail biters, and feelings of pleasure after nail biting by 42%. Among the participants with lifetime onychophagia, 22.5% met criteria of anxiety disorder and 3.1% of OCD, while in the group without onychophagia at least one anxiety disorder was diagnosed in 26.2% and OCD in 5.0%. We did not find any correlation between nail biting and other anxiety disorders or OCD. In conclusion, no single condition was associated with nail biting or influenced such behaviour; multiple psychological factors were involved. [ABSTRACT FROM AUTHOR]

Background and objective: Autoaggressive nail disorders span a wide range of clinical changes, but they often remain undiagnosed. This article is intended to help the practitioner to make the correct diagnosis and institute an accepted treatment. Material and method: The patient charts of 1800 patients seen by the author between the years 2000-2011 in 6 different European countries were evaluated using photographs of finger and toenails. Results: The most common condition is onycholysis induced by overzealous manicure. The habit tic of maniacally pushing back the proximal nail fold of one or both thumb nails is frequent and often misdiagnosed. Heller's median canaliform dystrophy is probably also due to a similar injury mechanism. Onychophagia is relatively common and seen both in children and adults. Onychotillomania is less frequent and almost exclusively seen in adults. Onychotemnomania is even less frequent. Onychoteiromania is sowhere between the latter two habits. Onychodaknomania is exceptional and usually a sign of an underlying psychiatric disorder. There was no substantial difference in the prevalence of these conditions among the different countries visited. Conclusions: Auto aggressive nail injury is common, but often difficult to diagnose. Patient care requires not only an in-depth knowledge of virtually all nail diseases, but also a cautious and empathic patient examination and treatment. [ABSTRACT FROM AUTHOR]

Background: Trichotillomania (TTM), excoriation disorder, onychophagia, and onychotillomania are categorized as body focused repetitive behavior (BFRB) disorders, causing damage to the skin, hair, and/or nails with clinically significant psychosocial consequences. Currently, there are no standardized treatments for these compulsive, self-induced disorders. Studies on treatment of these disorders using psychotropic drugs (i.e., selective serotonin reuptake inhibitors, tricyclic antidepressants, anticonvulsants) have shown variable efficacy. Recently, there is a growing interest in N -acetylcysteine (NAC) for treating BFRBs. NAC is a glutamate modulator that has shown promise in successfully reducing the compulsive behaviors in BFRB disorders. This article provides an updated review of the literature on the use of NAC in TTM, excoriation disorder, onychophagia, and onychotillomania., Methods: Relevant articles were searched in the PubMed/MEDLINE database., Results: Twenty-four clinical trials, retrospective cohort studies, and case reports assessing the efficacy of NAC in TTM, excoriation disorder, and onychophagia were included. No studies for onychotillomania were found in our search., Conclusions: Although NAC has proven successful for treatment of BFRB disorders, data is derived from few clinical trials and case reports assessing small numbers of patients. Larger studies with longer durations are needed to fully establish the efficacy of NAC in these disorders.

Onychophagia (nail biting) and onychotillomania (nail picking) are chronic nail conditions categorized as body-focused repetitive behavior (BFRB) disorders. Due to a limited awareness of their clinical presentations, embarrassment on the part of patients, and/or comorbid psychiatric conditions, these conditions are frequently underrecognized and misdiagnosed. This article reviews the prevalence, etiology, diagnostic criteria, historical and physical exam findings, and treatment options for these conditions. The PubMed/MEDLINE database was searched for relevant articles. Onychophagia and onychotillomania are complex disorders necessitating a detailed patient history and physical examination and a multidisciplinary treatment approach for successful diagnosis and management. Due to the dearth of clinical trials for treatment of nail biting and nail picking, large clinical trials are necessary to establish standardized therapies.