Congenital curved nail of the fourth toe: Report of three cases and review of the literature.

Congenital curved nail of the fourth toe (CNFT) is a rare disorder in which the nail plate of the fourth toe is deformed as it curves toward the sole of the foot. The cause is still unknown, but the congenital deformity of the nail plate is thought to be due to shortening of the terminal phalanx and hypoplasia of soft tissue of the fourth toe. Here, we report three typical cases who presented congenital curving nail on both their fourth toes. Their X-ray showed that the distal phalanges of the fourth toes were short. Thus far, 19 cases of CNFT were reported in English literature. Interestingly, almost all cases have been from Asia (18 out of 19). The majority of the cases were bilateral and asymptomatic. Tenderness was seen in eight cases, which was caused by the pressure of the nail plate on the skin or ingrown nail. Treatment is basically unnecessary for the deformity, but it is important to teach safe and appropriate nail clipping methods to avoid pain. We can easily diagnose CNFT because of the characteristic clinical presentation and should provide appropriate advice on the nail care from early stage.

Treatment of retronychia: A systematic review and suggested treatment algorithm.

Retronychia is an inflammatory disorder typical of the great toes characterized by arrested nail growth, ingrowth of the nail plate into the proximal nail fold and paronychia. There is no standardized treatment for retronychia, and its management should be weighed based on the severity stage, treatment modality, and clinical outcome. In this paper, a systematic review of the literature was performed to assess all published data regarding the treatment of retronychia. A total of 231 patients from 24 studies were included in the analysis. Conservative management was adopted in mild-intermediate forms, consisting of medical (topical or intralesional high-potency corticosteroids) and podiatric treatment (taping, clipping back the onycholytic plate, orthosis), leading to a global cure rate of 41.2%, with no reported side effects. Non-conservative management, that is, chemical or surgical avulsion of the nail plate, proved resolutive in 71.2% of cases. Surgical avulsion of the nail plate produced the highest cure rate (78.2%), but was burdened by 9.6% of long-term sequelae, mainly nail dystrophies. A decision-making algorithm was designed to give clinicians treatment indications based on the severity stage of retronychia, treatment invasiveness, and possible clinical outcomes.

Risk factors for poorly controlled and recurrence-prone ingrown toenails treated with nail braces: A retrospective observational study of 238 cases.

Background Nail braces are reportedly effective for treating both acute inflamed and chronic dystrophic type ingrown toenails. Aims In this study, risk factors for poorly controlled and recurrence-prone ingrown toenails treated with nail braces were identified. Methods We performed a retrospective study on patients with ingrown toenails between June 1, 2015, and May 31, 2018. The last follow-up date was January 31, 2019. Multivariate logistic regression was performed to evaluate the possible factors associated with poorly controlled status (ongoing paronychia during treatment) and recurrence. Results There were 120 (244 sides) and 118 patients (167 sides) with chronic dystrophic and acute inflamed type ingrown toenails, respectively. The mean treatment duration and follow-up period were 161.2 ± 98.3 days and 432.7 ± 320.9 days, respectively. Poor control and recurrence were seen in 7.3% (17/232) and 12.2% (27/221) of the patients, respectively. In the multivariate analysis, acute inflamed ingrown toenails, previous nail avulsion, proximal nail fold hypertrophy and more than one affected side remained significantly associated with poorly controlled ingrown toenails. Foot bone deformity was significantly associated with recurrence. Limitations This study was a retrospective study so that confounding factors such as comorbidities, body mass index, accompanying nail changes and lifestyle could not be evaluated. Conclusion Several risk factors related to poor control and recurrence were identified. Patients could therefore benefit from more suitable treatment plans with reasonable expectation.

Retronychia-an uncommon cause of chronic proximal nail fold inflammation.

Retronychia is defined as nail plate ingrowth into the proximal nail fold causing pain and perionyxis. We report on a case series of seven patients seen from 2001 to 2020 (mean age 20 years). Xanthonychia was observed in all nails. Total nail avulsion was performed in eight nails. Complete remission was obtained in 100%. During follow-up for up to 24 months, no relapse occurred.

Pterigión dorsal y onicólisis asociados a un penfigoide ampolloso / Dorsal Pterygium and Onycholysis Associated With Bullous Pemphigoid

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[Ingrown toenails]. / Der Unguis incarnatus.

Ingrown toenails Abstract. Ingrown toenails are the most common foot problems in primary care. Untreated or mistreated ingrown toenails will lead to unacceptable long suffering of the patient with negative impact on their daily life. Still there is no consensus reached for best treatment and usually the surgical options are the last solution. One reason might be the high variety in conservative und surgical treatment. But also, the high recurrence rates after surgery with up to 30 % described in literature. We think, that these high numbers might be also a sign for improper performed surgery. In this article we would like to give you a step by step pathway in a minimal invasive partial nail avulsion with partial matricectomy, which we perform since several years in our clinic. We are convinced of the cosmetical, functional and long-term results of this procedure.

Risk factors for infection following ingrowing toenail surgery: a retrospective cohort study.

BACKGROUND: Ingrowing toenails are a common and painful condition often requiring surgical management. Practitioners who perform surgery on ingrowing toenails include orthopaedic surgeons, general practitioners, podiatrists and podiatric surgeons. There has been limited investigation into the specific surgical approaches used by Australian podiatric surgeons for ingrowing toenails, or the associated infection rates for these procedures. The aim of this study was to assess the frequency and type of ingrowing toenail surgery performed by podiatric surgeons, and identify risk factors for post-operative infection. METHODS: Data was entered into the Australian College Podiatric Surgeons (ACPS) National Audit Tool for all patients who underwent foot and ankle surgery performed by podiatric surgeons in Australia between January 2014 and December 2017. Infection within the first 30 days following surgery was recorded according to the ACPS national audit descriptors. Infection rates, risk ratios (RR) and 95% Confidence Intervals (CI) were calculated to determine postoperative infection risk. RESULTS: Of 7682 records, 1831 reported 2712 diagnoses of ingrowing nails. Patients with a diagnosis of ingrowing toenails were younger, less likely to have systemic disease, and a lower proportion were female compared to those without ingrowing toenails. Furthermore, they were more likely to be diagnosed with a post-operative infection than those without ingrowing toenails (RR = 2.72; CI = 2.00-3.69; P < 0.01). Univariate risk factors for post-operative infection following ingrowing toenail surgery include age greater than 60 years (RR = 3.16; CI = 1.53-6.51; P < 0.01), surgery performed in an office setting (RR = 1.77; CI = 1.05-2.98; P = 0.04), and radical excision of toenail bed procedure (RR = 2.35; CI = 1.08-5.01; P = 0.04). Patients that underwent radical excision or office based procedures were on average older, and more likely to have systemic disease. Further, radical excision procedures were more likely to be performed in office base settings. CONCLUSIONS: Ingrowing toenail surgery carries a greater risk of postoperative infection than other procedures performed by podiatric surgeons. Radical excision of toenail bed was associated with higher postoperative infection rates compared to other ingrowing toenail procedures. Procedures performed in an office setting carry a higher risk of infection. Further research into these associations is recommended.

Pernio-Induced Toe Pain in the Setting of Onychocryptosis: A Case Report.

Pernio is an inflammatory condition of the skin associated with cold exposure. The dermatologic manifestations may vary, and this entity is frequently misdiagnosed. Its association with systemic disease underscores the importance of accurate diagnosis. The authors describe a case report in which a patient who, after initially presenting with a complaint of pain and an ingrown toenail, was eventually diagnosed with pernio as well.

Review of onychocryptosis: epidemiology, pathogenesis, risk factors, diagnosis and treatment.

Ingrown toenail, or onychocryptosis, is a highly prevalent nail condition that occurs when the nail edge grows into the periungual dermis. It most frequently affects the hallux and has a biphasic presentation, being most common in the second and fifth decades. It is often painful and may be debilitating in severe cases. Risk factors include trauma, weight changes, poor nail-cutting technique, and hyperhidrosis. Both conservative and surgical treatments have been described, and choice of therapy is dependent on patient co-morbidities, severity, and associated symptoms. This review covers the epidemiology, risks factors, pathogenesis, evaluation, and staging of ingrown toenails, as well as, treatment options. Although there is an unmet need for clinical trials comparing therapies, current recommendations are to treat conservatively and then proceed to surgical therapies if symptoms persist.

Retronychia of the toenails: a review with emphasis on pathogenesis, new diagnostic and management trends.

Retronychia is a condition, first described in 1999, characterized by the embedding of the proximal nail plate into the proximal nail fold and the stacking of a multiple generations of nail plates beneath the proximal nail fold. The disease affects frequently the toenails and is associated with stress-relevant situations including repetitive trauma, ischemic etiologies, postpartum, and compartment syndrome. Predisposing factors including static disorder of the feet may be underestimated. The paucity of data regarding the predisposing factors is because existing studies are limited to small case reports, case series, and retrospective studies. The diagnosis is clinical, which could be challenging because retronychia can easily mimic other nail disorders with chronic paronychia. Since the first description, significant advances have been made regarding diagnostic criteria including ultrasonography. We performed a systematic review of the literature on retronychia from inception to April 2018 with an emphasis on the pathogenesis and new diagnostic and management trends.

[Turrett's exostoses: about 35 casesk]. / Les exostoses de Turrett's: à propos de 35 cas.

We conducted a retrospective study of 35 patients with subungual exostosis of the hallux, also known as Turrett's exostosis, in the Department of Orthopedics and Traumatology at the Senior Military Hospital of Instruction of Tunis over the period between 1995 and 2015. We here summarize the outcomes of patients treated for this disease. The average age of patients was 29 years, with a sex ratio of 1.7. The median consultation time was six months. This delay in consultation was caused by a diagnostic error due to clinical picture resemblance with ingrown nail. Diagnosis was always confirmed by frontal and profile X-ray of the involved hallux. Treatment was based on total resection of the exostosis either through large ungual window or by latero-ungual approach. Anatomo-pathological examination was performed systematically. It allowed to confirm the benignity of the disease in all cases. All patients recovered and returned to their previous activity, on average, in 2 months. No patient had a recurrence.

Retronychia Clinical Features and Surgical Treatment.

Retronychia is a newly described condition characterized by the embedding of the nail plate into the proximal nail fold. It mainly affects the great toe unilaterally as a result of mechanical factors. It is rarely reported, and its pathogenesis is not fully understood. Nail plate avulsion represents both a diagnostic and a therapeutic approach. We describe a 34-year-old woman with a medical history of congenital malalignment of the toenails, diagnosed as having retronychia, and emphasize the disease pathogenesis and surgical procedure.

Risk Factors and Frequency of Ingrown Nails in Adult Diabetic Patients.

The present study evaluated the properties of nails, frequency of ingrown nails in patients with type 2 diabetes mellitus (DM), risk factors for developing ingrown nails, and effect of diabetic polyneuropathy and vasculopathy on the development and outcome of ingrown nails. Our 6-month epidemiologic prospective study included 300 patients with type 2 DM attending a DM outpatient clinic for routine examinations. The general characteristics and foot changes of the study population were investigated. Diabetic polyneuropathy and vasculopathy were evaluated using a biothesiometer, monofilament tests, and arterial Doppler ultrasonography. The frequency of ingrown nails was 13.6%. Multivariate analysis with logistic regression showed that body mass index (odds ratio [OR] 1.077, 95% confidence interval [CI] 1.007 to 1.15; p = .03), previous trauma (OR 2.828, 95% CI 1.017 to 7,867, p = .042), a weak dorsalis pedis pulse (OR 2.72, 95% CI 1.17 to 6.30, p = .02), trimming type (OR 2.3, 95 CI 1.06 to 4.98), p = .35), onychogryphosis (OR 9.036, 95% CI 2.34 to 34.87, p = .001), and subungual hyperkeratosis (OR 4.3, 95% CI 1.99 to 9.3, p = .001) were predictive variables for ingrown nails in our population. The incidence of onychomycosis was significantly greater in patients with ingrown nails (p = .032) than in patients without ingrown nails. The nail curvature ratio was greater in the patients with ingrown nails than in the group with normal nails. Arterial Doppler ultrasound examinations showed peripheral arterial disease in 19 patients (46.9%) with ingrown nails. The prevalence of ingrown nails was greater in the patients with DM than in the healthy population. Our results indicate that nail type, nail morphology, and diabetic vasculopathy affect the formation and evolution of ingrown nails.

Periungual Eccrine Poroma Masquerading as Ingrown Toenails A Case Report with Dermoscopic Findings.

Eccrine poroma is a rare benign adnexal neoplasm originating from a portion of the intraepidermal eccrine sweat gland duct and the acrosyringium. Typically, the lesions are asymptomatic, slow-growing nodules, which may be found in any sweat gland-bearing area. Multiple red lacunae, glomerular vessels, hairpin vessels, flower- and leaf-like vascular patterns, a polymorphic vascular pattern, globule/lacunae-like structures, a frog egg-like appearance, and comedo-like openings have been defined as characteristic dermoscopic patterns of the disease. We report a case of eccrine poroma in an unusual periungual and subungual location mimicking ingrown toenails. The dermoscopic findings of the lesions were compatible with those of eccrine poromas located in areas other than the periungual area. Recurrence was observed after the first excisional biopsy. There was no recurrence 10 months after the second surgical intervention, and near-complete regrowth of the nail plate was achieved. Eccrine poroma should be considered as a differential diagnosis in the presence of slow-growing, erythematous, painful, hemorrhagic papular lesions located in the periungual area in conjunction with a prediagnosis of ingrown toenails and malignant processes.

Toenail paronychia.

Paronychia is an inflammation of the tissues alongside the nail. It may be acute or chronic and can be seen in isolation or in association with an ingrowing toenail. Acute paronychial infections develop when a disruption occurs between the seal of the nail fold and the nail plate, providing a portal of entry for invading organisms. The treatment of paronychia associated with an ingrowing toenail is aimed at treating the causal toenail. In paronychia not associated with an ingrowing toenail, antibiotics may cure an early infection but surgical drainage of an abscess is often required. In this case, an intra-sulcal approach is preferable to a nail fold incision. Chronic paronychia is less common in the feet than in the hands. It is a form of contact dermatitis and is frequently non-infective, however the chronically irritated tissue may become secondarily colonised by fungi. A dermatology consultation should be obtained for suspected chronic paronychia. Patients with chronic paronychia that is unresponsive to standard treatment should be investigated for unusual causes, such as malignancy. An algorithm for the treatment of paronychia is presented in this review.

Treatment of Ingrown Toenail with a Shape Memory Alloy Device.

BACKGROUND: We sought to report the clinical results of a new conservative treatment modality that uses a shape memory alloy device in patients with ingrown toenail. METHODS: A retrospective review was performed on 41 patients with ingrown toenail treated with the K-D device (S&C Biotech, Seoul, South Korea) between April 2013 and July 2014. Recurrence rate, cosmetic results, pain during the treatment period, and patient satisfaction were the major outcome measures. RESULTS: Patients were followed for at least 6 months (mean ± SD, 8.6 ± 2.1 months; range, 6-12 months). Recurrence was seen in eight patients (19.5%). Mean time to recurrence was 6.2 months (range, 3-10 months). Thirty-one patients (75.6%) were satisfied with the treatment. Thirty-five patients (85.4%) rated the application and treatment period as painless, and the remaining six (14.6%) noted pain particularly during shoe wearing. Thirty-one patients (75.6%) rated the cosmetic results as "excellent," four (9.8%) as "acceptable," and six (14.6%) as "poor." Satisfaction with the treatment, the cosmetic results, and pain were significantly worse in patients with recurrence (P = .0001 for all). All of the patients returned to their work immediately after application of the device. No complications occurred. CONCLUSIONS: The K-D device is a safe and effective treatment method for ingrown toenail. Although the recurrence rate is higher than for surgical treatment methods, the K-D device is a practical and painless method that provides immediate return to work and daily activities and excellent or acceptable cosmesis in most patients.