Abstract A robust segmentation method that can be used to perform measurements on toenails is presented. The proposed as the first step in a clinical trial objectively quantify incidence of particular pathology. For such an assessment, it necessary distinguish nail, which locally appears similar skin. Many algorithms have been used, each leverages different aspects toenail appearance. We Hough ...

Subungual pigmentation may have a variety of underlying pathologies, but clinicians should consider malignancies such as subungual melanoma or metastasis, even if they are not common. A delayed diagnosis can dramatically worsen the prognosis. Therefore, histologic examination is highly recommended. We present a 75-year-old female cancer patient presenting with subungual blackish pigmentation of...

The medicated lacquer preparations are generally used in fungal diseases. Use of this system avoids oral toxicity of anti fungal drugs. The main challenge associated with developing nail lacquers for the treatment of nail disorders is to deliver the active concentration to the site of infection. Penetration of topical antifungal through the nail plate requires a vehicle that is specially formul...

Background: Psoriatic arthropathy is a seronegative arthropathy seen in some patients with psoriasis, a self-limited and genetically determined skin disease. Objective: To determine the prevalence and risk factors of arthropathy in patients with psoriasis. Patients and Methods: In a prospective, cross-sectional study, psoriatic patients referred to Razi Skin Hospital in Tehran, Iran in 20...

Photographic documentation of the nails is important in the objective evaluation of response to treatment and in disseminating scientific information related to nail diseases. The key to a good image of the nail is proper framing and achieving a sharp focused image with good contrast with the background, at the same time avoiding strong reflections from the nail surface. While the general princ...

Although several manifestations of skin involvement in cases of amyotrophic lateral sclerosis (ALS) have been reported, the pincer nail deformity has not been previously reported in a patient with ALS. The pincer nail deformity is characterized by distortion of the shape of the nail with transverse over curvature and may be associated with systemic diseases and certain medications. We herein de...

Koebner phenomenon is observed in a number of inflammatory skin diseases. Psoriasis is one of the most common skin diseases associated with Koebner phenomenon. Nail psoriasis may be developed independently from inflammatory arthritis and skin psoriasis. This study reports on the reconstruction of third web of a 30-year-old woman, which performed on her right, due to congenital syndactyly. Four ...

A 24-year old female patient with acute lymphoblastic leukemia was treated with the induction therapy of the GIMEMA ALL protocol based on vincristine, daunorubicin, asparaginase and prednisone. In the second month of therapy, she was found to have white bands on all her fingernails. There were two bands on each fingernail (Figure), but her toenails were not affected. It was observed that the tr...

From Oregon Dermatology and Research Center, Portland, and Oregon Health and Science University, Portland. The author reports no conflict of interest. Dermatology encompasses disorders of the skin, hair, and nails. Why is it that many dermatologists shy away from nail disorders, particularly nail surgery? Many dermatologists choose not to see patients with nail disorders and instead send them t...