|  Pitting was the most common clinical feature (55.6%). Cause Psoriasis Main More often than not stress is … statistical analysis is simplified. The Nail Psoriasis Severity Index (NAPSI) is a numeric, reproducible, objective, simple tool for evaluation of nail psoriasis. A, Example of scoring of moderate nail bed psoriasis with the NAPSI scale. 2020 Aug 18;56(8):415. doi: 10.3390/medicina56080415. Par contre, l’atteinte prédomine parfois au niveau du rachis et s’apparente à celle des spondylarthropathies. Use these products organic nail psoriasis severity index pdf baby product of the anxious nervous signals that speed NIH The NAPSI will be useful during clinical … To determine the agreement and reliability of the Nail Psoriasis Severity Index (NAPSI) in the assessment of nail involvement in patients with psoriatic arthritis (PsA) when performed by rheumatologists with no experience in using this instrument. has recently established that the system shows a good agreement between dermatologists. Objective: To study the short-term correlation between PASI, NAPSI, and DLQI in patients with skin and nail psoriasis at baseline and 3 months after treatment initiation. Clinical and dermoscopic photographs were taken both at baseline and at 4th month. The nail plate is divided into quadrants by imaginary longitudinal and horizontal lines. Nail Psoriasis Severity Index: a useful tool for evaluation of nail psoriasis. The modified Nail Psoriasis Severity Index: validation of an instrument to assess psoriatic nail involvement in patients … To read this article in full you will need to make a payment, AAD Members, full access to the journal is a member benefit. severity from minor localized patches to complete body coverage. Please enter a term before submitting your search. HHS 2013 Aug;69(2):245-52. doi: 10.1016/j.jaad.2013.02.009. There is no validated psoriatic nail assessment tool. Reprint requests: Phoebe Rich, MD, 2222 NW Lovejoy, Suite 419, Portland, OR 97210, USA. Published by Elsevier Inc. All rights reserved. Nail Psoriasis Severity Index: a useful tool for evaluation of nail psoriasis. This scale is used to evaluate the severity of nail bed psoriasis and. By continuing you agree to the, https://doi.org/10.1067/S0190-9622(03)00910-1, Nail psoriasis severity index: a useful tool for evaluation of nail psoriasis. We use cookies to help provide and enhance our service and tailor content and ads. Recently, investigators developed the Nail Psoriasis Severity Index (NAPSI). Topical anthralin therapy for refractory nail psoriasis. The nail plate is assessed for nail matrix psoriasis by the presence of any feature of nail matrix psoriasis, including nail pitting, leukonychia, red spots in the … The Nail Psoriasis Severity Index (NAPSI) is a numeric, reproducible, objective, simple tool for evaluation of nail psoriasis. Nail changes such as pitting or discolouration occur in up to 50% of people with psoriasis . Psoriasis of the nails treated with grenz rays. NLM As a result, the prevalence of nail psoriasis was 85.5%. Methods: After researching past medical records, 48 patients with nail psoriasis and 247 patients without nail psoriasis were enrolled in this study. has recently established that the system shows a good agreement between dermatologists. The Nail Psoriasis Severity Index (NAPSI) is a numeric, reproducible, objective, simple tool for evaluation of nail psoriasis. Psoriasis Area Severity Index on Wikipedia (de, it) Dr A. Oakley, PASI score, DermNet NZ: clear description with photos of the different redness, thickness and scaling levels Changes; Fredriksson, T., U. Pettersson. Background The Psoriasis Area and Severity Index does not take the severity of nail involvement into account. Nail psoriasis: a review of the literature. The severity of psoriasis was evaluated by calculating the Psoriasis Area and Severity Index (PASI). Recently, investigators developed the Nail Psoriasis Severity Index (NAPSI). Each nail is divided into quadrants, and each quadrant is given a score of 1 if nail bed changes exist as well as if nail matrix changes are present, thus leading to a score of 0–8 for each nail. Dermatologica, 1978, 157(4):238-44. 2020 Winter;11(1):3-7. doi: 10.15171/jlms.2020.02. The Nail Psoriasis Severity Index (NAPSI) is a numeric, reproducible, objective, simple tool for evaluation of nail psoriasis. 2007 Mar;32(2):141-4. doi: 10.1111/j.1365-2230.2006.02305.x. The Nail Psoriasis Severity Index (NAPSI) was the most commonly used measure to assess clinical signs (74% of studies). There is no validated psoriatic nail assessment tool. The Nail Psoriasis Severity Index (NAPSI) is one of the suggested scoring systems developed by Riche and Scher in 2003. Ferraz-Amaro I, Prieto-Peña D, Palmou-Fontana N, Martínez-López D, de Armas-Rillo L, García-Dorta A, Atienza-Mateo B, Blanco R, Armesto S, González-Gay MÁ. 2003. 2019 Nov;5(6):344-349. doi: 10.1159/000499348. COVID-19 is an emerging, rapidly evolving situation. J Am Acad Dermatol. 1. Methods. The most common score to assess nail involvement is the NAil Psoriasis Severity Index (NAPSI) [42]. Li C, Li Z, Cao Y, Li L, Li F, Li Y, Xiong D, Wu X, Zhang W, Zeng X. JAMA Dermatol. Tehranchinia Z, Barzkar N, Riahi SM, Khazan M. J Lasers Med Sci. Objectives To devise a system of scoring for nail psoriasis. Looking for abbreviations of NAPSI? This scale is used to evaluate the severity of nail bed psoriasis and nail matrix psoriasis by area of involvement in the nail unit. Response of psoriatic nails to oral photochemotherapy. A therapeutic study of nail psoriasis using electron beams. Many translated example sentences containing "nail psoriasis severity Index" – French-English dictionary and search engine for French translations. of nail bed psoriasis and nail matrix psoriasis by area of involvement in the nail doi: 10.1001/jamadermatol.2020.3095. Predisposing factors and clinical features of eczema herpeticum: a retrospective analysis of 100 cases, Pharmacologic denervation of frown muscles enhances baseline expression of happiness and decreases baseline expression of anger, sadness, and fear, We use cookies to help provide and enhance our service and tailor content and ads. It evaluates several signs separately, each on a 1–3 scale: pitting, Beau's lines, subungual hyperkeratosis and onycholysis. Methods A system of scoring for nail psoriasis was devised that takes into account the site of the pathology, i.e. This scale is used to evaluate the severity of nail bed psoriasis and.  |  Among them, the psoriasis area severity index (PASI), the nail psoriasis area severity index (NAPSI), and the dermatology life quality index (DLQI) are currently the most widely used indexes. Would you like email updates of new search results? The quadrants of all nails were examined for the presence of matrix and … If psoriasis affects more than 5 percent of your BSA, you have moderate to severe psoriasis. The Psoriasis Scalp Severity Index (PSSI) assesses severity of scalp. Schons KR, Knob CF, Murussi N, Beber AA, Neumaier W, Monticielo OA. Small Molecules and Biologics in the Treatment of Nail Psoriasis. Each fingernail was scored for bed and matrix psoriasis. Nail psoriasis was classified according to the morphologic types of nails and severity was evaluated using the modified nail psoriasis severity score index … Dès lors, certaines formes de RPs sont alors incluses dans les spondylarthropathies au même titre que l’arthrite li… The Nail Psoriasis Severity Index (NAPSI) is a numeric, reproducible, objective, simple tool for evaluation of nail psoriasis. Epub 2019 May 21. Use your society credentials to access all journal content and features. 2003 Aug;49(2):206-12. One of the most commonly used tools is the Psoriasis Area and Severity Index (PASI), which gives a score from 0 to 72 based on the severity of the lesions (average redness, thickness and scaling of the lesions each graded … The Nail Psoriasis Severity Index (NAPSI) was recently developed as a way to quantify involvement of the nails affected by psoriasis. The Nail Psoriasis Severity Index (NAPSI) is a numeric, reproducible, objective, simple tool for evaluation of nail psoriasis. JAMA Dermatol. Scoring was conducted by two assessors (WT and AA) using the modified Nail Psoriasis Severity Index (mNAPSI; range 0-130) and SNAPS tools (Table 1). Severe psoriasis—oral therapy with a new retinoid. Low-dose short-term cyclosporine versus etretinate in psoriasis. This scale is used to evaluate the severity of nail bed psoriasis and nail matrix psoriasis by area of involvement in the nail unit. Aims: The purpose of this study was to assess the interobserver reliability of NAPSI. Arthritis Care Res (Hoboken). Nail Psoriasis Severity Index: a useful tool for evaluation of nail psoriasis. The Nail Psoriasis Severity Index (NAPSI) is a numeric, reproducible, objective, simple tool for evaluation of nail psoriasis. You will partner with your dermatologist, who will evaluate your severity by taking several factors into account, such as what percentage of your body is covered in plaques, to determine the severity of your psoriasis and develop a treatment plan. Psoriasis of the nails associated with disability in a large number of patients: results of a recent interview with 1,728 patients. Psoriasis Area Severity Index on Wikipedia (de, it) Dr A. Oakley, PASI score, DermNet NZ: clear description with photos of the different redness, thickness and scaling levels Changes; Fredriksson, T., U. Pettersson. Aktan et al. It has already been used in some clinical trials. Aktan et al . - "Nail Psoriasis Severity Index: a useful tool for evaluation of nail psoriasis." Assessment was done using the Nail Psoriasis Severity Index, with a grade IV change defined as more than a 75% improvement. The Nail Psoriasis Severity Index (NAPSI) is one of the suggested scoring systems developed by Riche and Scher in 2003. The patient's nails were examined both clinically and dermoscopically. Author information: (1)University of Molise, Campobasso, Italy. Online ahead of print.  |  Psoriasis is a recurrent chronic inflammatory skin disease with various mild to severe clinical manifestations. Tazarotene 0.1% gel in the treatment of fingernail psoriasis. Oregon Health Sciences University, Portland, Oregon, USA, Department of Dermatology, Columbia University, New York, New York, USA. The Nail Psoriasis Severity Index (NAPSI) was used to assess fingernail psoriasis for all patients who presented with fingernail psoriasis at baseline. J Rheumatol. It is a numeric system; however, it is a little bit time consuming. Evaluation was done using nail psoriasis severity index at baseline, 2nd month, 4th month and after follow up period. Scoring was conducted by two assessors (WT and AA) using the modified Nail Psoriasis Severity Index (mNAPSI; range 0-130) and SNAPS tools (Table 1). This scale is used to evaluate the severity of nail bed psoriasis and nail matrix psoriasis by area of involvement in the nail unit. Fig 3. 2003 Aug;49(2):206-12. 2014 Nov;41(11):2306-14. doi: 10.3899/jrheum.140881. The most common form, affecting up to 90% of people with psoriasis, is plaque psoriasis that appears on elbows, knees, scalp and back. Methods. Tofacitinib for the Treatment of Nail Lesions and Palmoplantar Pustulosis in Synovitis, Acne, Pustulosis, Hyperostosis, and Osteitis Syndrome. Rigopoulos D, Stathopoulou A, Gregoriou S. Skin Appendage Disord. Cause Psoriasis Main More often than not … J Am Acad Dermatol. Severe psoriasis—oral therapy with a new retinoid. This scale is used to evaluate the severity of nail bed psoriasis and nail matrix psoriasis by area of involvement in the nail unit NAPSI is used to assign a score to each nail for nail bed and nail matrix psoriasis (3): Background The Psoriasis Area and Severity Index does not take the severity of nail involvement into account.. The NAPSI will be useful during clinical trials for evaluating response to treatment The scale is reproducible, and because there are few data points, statistical analysis is simplified. This study was conducted with the aim of finding the prevalence, clinical characteristics and severity of nail psoriasis. The Nail Psoriasis Severity Index (NAPSI) is a numerical, reproducible, objective, and simple scale for the evaluation of nail bed psoriasis and nail matrix psoriasis. 2003 Aug;49(2):206-12 (PubMed abstract) Lubrano E(1), Scrivo R, Cantini F, Marchesoni A, Mathieu A, Olivieri I, Salvarani C, Scarpa R, Spadaro A. Recently, investigators developed the Nail Psoriasis Severity Index (NAPSI). 4) Cassell SE et al. Nail changes are present in 25–50% of psoriatic cases. Get the latest public health information from CDC: https://www.coronavirus.gov, Get the latest research information from NIH: https://www.nih.gov/coronavirus, Find NCBI SARS-CoV-2 literature, sequence, and clinical content: https://www.ncbi.nlm.nih.gov/sars-cov-2/. Home › Unlabelled › Nail Psoriasis Severity Index. En effet, certaines présentations cliniques sont proches de celles d’une polyarthrite rhumatoïde (PR). Methods and Materials: A new grading system, the Nail Psoriasis Severity Index (NAPSI) has been proposed. The ‘Severity of Nail Psoriasis Score’ (SNAPS; previously known as the Bath Nail Score) is a simple tool developed for use in the observational setting. J Rheumatol. OBJECTIVE: Patients with psoriasis and psoriatic arthritis (PsA) commonly have nail involvement. Dystrophic psoriatic fingernails treated with 1% 5-fluorouracil in a nail penetration-enhancing vehicle. Each nail is divided into quadrants, and each quadrant is given a score of 1 if nail bed changes exist as well as if nail matrix changes are present, thus leading to a score of 0–8 for each nail. It has already been used in some clinical trials. 2007 Jan;34(1):123-9 (PubMed abstract) The Nail Psoriasis Severity Index (NAPSI) was used for evaluation of the severity of nail lesions. Nail Psoriasis Severity Index (NAPSI) is a numeric, reproducible, objective, simple tool for evaluation of nail psoriasis. J Am Acad Dermatol. The NAPSI will be useful during clinical trials for evaluating response to treatment of psoriatic nails. 5 According to NAPSI, each nail is divided into four quadrants and any nail plate or bed changes found are accounted for, generating a score that varies from 1-80 for fingernails and from 1 to 160 for fingernails and toenails. This waxing and waning of nail lesions often helps to distinguish it from onychomycosis. This scale is used to evaluate the severity of nail bed psoriasis and nail matrix psoriasis by area of involvement in the nail unit. Armstrong AW, Tuong W, Love TJ, Carneiro S, Grynszpan R, Lee SS, Kavanaugh A. J Rheumatol. This scale is used to evaluate the severity of nail bed psoriasis and nail matrix psoriasis by area of involvement in the nail unit. Fingernail psoriasis reconsidered: a case-control study. J Am Acad Dermatol. Beginning with NAPSI, our goal was to validate a psoriatic nail assessment tool for use in clinical trials, and investigate correlations between nail and other PsA features. Understanding the severity of your psoriasis is one of the most important steps in your psoriasis journey. DOI: https://doi.org/10.1067/S0190-9622(03)00910-1. Objectives To devise a system of scoring for nail psoriasis.. Methods A system of scoring for nail psoriasis was devised that takes into account the site of the pathology, i.e. Scoring was conducted by two assessors (WT and AA) using the modified Nail Psoriasis Severity Index (mNAPSI; range 0-130) and SNAPS tools (Table 1). (i) the matrix, (ii) the subungual tissues distal to the lunula, or (iii) the whole nail unit. Nail Psoriasis Severity Index (NAPSI), which assesses the extent of the involvement of the psoriatic nail unit, has been developed by Rich and Scher, which is useful in clinical trials and in evaluating different treatment modalities for psoriatic nails. (i) the matrix, (ii) the subungual tissues distal to the lunula, or (iii) the whole nail unit. tool for evaluation of nail psoriasis. enniolubrano@hotmail.com The total score ranges from 0 to 160 for finger and toe nails (or 0–80 if only hands or only toes are assessed). The Nail Psoriasis Severity Index (NAPSI) provides a way to assess disease severity and monitor response to medication. The nail features of 25 patients with psoriasis with nail involvement were evaluated and graded by three dermatologists for total NAPSI scores and nail scores. It is Nail Psoriasis Severity Index. Rich P. and Scher RK. The modified Nail Psoriasis Severity Index: validation of an instrument to assess psoriatic nail involvement in patients with psoriatic arthritis. © 2003 American Academy of Dermatology, Inc. The Nail Psoriasis Severity Index (NAPSI) is a numeric, reproducible, objective, simple tool for evaluation of nail psoriasis. A double-blind study of superficial radiotherapy in psoriatic nail dystrophy. The Nail Psoriasis Severity Index (NAPSI) is a numeric, reproducible, is used to evaluate the severity of nail bed psoriasis and nail matrix psoriasis by area of. A new grading system, the Nail Psoriasis Severity Index (NAPSI) has been proposed. Scores were summed to obtain total NAPSI fingernail scores ranging from 0 (no nail psoriasis) to 80 (severe nail psoriasis). The Nail Psoriasis Severity Index (NAPSI) is used to assign a score to each nail for nail bed and nail matrix psoriasis. unit. Background. It is Nail Psoriasis Severity Index. Short-Term Correlation of the Psoriasis Area Severity Index, the Nail Psoriasis Area Severity Index, and the Dermatology Life Quality Index, before and after Treatment, in Patients with Skin and Nail Psoriasis. Results: Subungual hyperkeratosis (94.4%) was the most commonly observed nail feature. Rich P. and Scher RK. Is the Nail Psoriasis Severity Index reliable in the assessment of nail psoriasis by rheumatologists? Traduzioni in contesto per "Nail Psoriasis Severity Index" in inglese-italiano da Reverso Context: Nail psoriasis was assessed using the Nail Psoriasis Severity Index (NAPSI). 2003 Aug;49(2):206-12 (PubMed abstractPubMed abstract Cassell SE, Bieber JD, Rich P, Tutuncu ZN, Lee SJ, Kalunian KC, Wu CW, Kavanaugh A. The presence of nail fold psoriasis (NFP) was also assessed. OBJECTIVE: Patients with psoriasis and psoriatic arthritis (PsA) commonly have nail involvement. Clipboard, Search History, and several other advanced features are temporarily unavailable. 7,13 For scientific reasons and therapeutic studies, nail psoriasis grading systems were established to reproducibly determine the extent and severity of ungual psoriasis. Evaluation of Ixekizumab Treatment for Patients With Pityriasis Rubra Pilaris: A Single-Arm Trial. The scale is reproducible, and because there are few data points, 4) Cassell SE et al. Severity and efficacy-related parameters were also analysed. Please enable it to take advantage of the complete set of features! Accepted: Nail Psoriasis Severity Index: a useful tool for evaluation of nail psoriasis. Because other complication of the ointments. 1. Copyright © 2021 Elsevier Inc. except certain content provided by third parties. The NAPSI will be useful during clinical trials for evaluating response to treatment of psoriatic nails. This scale is used to evaluate the severity Thus, the Nail Psoriasis Severity Index (NAPSI) was recently developed as a psoriatic nail grading instrument10. By AmiHotel - 19.22. photo src: jamanetwork.com. The Nail Psoriasis Severity Index (NAPSI) and the Nijmegen-Nail Psoriasis Activity Index tool (N-NAIL) were used to measure the severity and improvement of nail psoriasis. Nail bed score, 4; nail matrix score, 1; total NAPSI score, 5. The modified Nail Psoriasis Severity Index: validation of an instrument to assess psoriatic nail involvement in patients … Timed scoring was conducted in a third of patients to assess the feasibility of both tools. A Comparison of The Effects of Clobetasol 0.05% and Photodynamic Therapy Using Aminolevulinic Acid With Red Light in the Treatment of Severe Nail Psoriasis. USA.gov. 2020 Jun 1;156(6):668-675. doi: 10.1001/jamadermatol.2020.0932. The scale is reproducible, and because there are few data … De très nombreux exemples de phrases traduites contenant "nail psoriasis severity Index" – Dictionnaire français-anglais et moteur de recherche de traductions françaises. An Bras Dermatol. The total is the score for the patient (Table I). Modification of the Nail Psoriasis Severity Index. Recently the Nail Psoriasis Severity Index (NAPSI) was suggested to evaluate the disease symptoms. It evaluates several signs separately, each on a 1–3 scale: pitting, Beau's lines, subungual hyperkeratosis and onycholysis. J Am Acad Dermatol. The most common score to assess nail involvement is the NAil Psoriasis Severity Index (NAPSI) [42]. Because the Psoriasis Area and Severity Index (PASI) does not consider the severity of nail disease, a scale that assesses the extent of involvement of psoriatic nails is needed. This scoring system divides each nail into 4 quadrants and looks at disease severity therein ( Figure 3 ). The Number of Traditional Cardiovascular Risk Factors Is Independently Correlated with Disease Activity in Patients with Psoriatic Arthritis. Medicina (Kaunas). Epub 2020 Apr 30. The NAPSI will be useful during clinical trials for evaluating response to treatment of psoriatic nails. Psoriasis is a skin problems within the household ingredients are removed. This scale is most commonly used to measure the degree to which nails are affected in order to test the effectiveness of treatments or experimental treatments. Topical 5-fluorouracil treatment for psoriatic trachyonychia. Haynes D, Strunck JL, Topham CA, Ortega-Loayza AG, Kent G, Cassidy PB, Hu R, Choate K, Wang Z, Liu Y, Greiling TM. The Nail Psoriasis Severity Index (NAPSI) is a numeric, reproducible, objective, simple tool for evaluation of nail psoriasis. 2020 Sep 30:e203095. Skin Appendage Disord. Nail Psoriasis Severity Index listed as NAPSI Looking for abbreviations of NAPSI? Quality of life in 6497 Nordic patients with psoriasis. This instrument involves rating the presence or absence of features of psoriatic nail matrix disease (pitting, leukonychia, red spots in the lunula, and nail … The impact of psoriasis on quality of life. De très nombreux exemples de phrases traduites contenant "nail psoriasis severity Index" – Dictionnaire français-anglais et moteur de recherche de traductions françaises. The modified Nail Psoriasis Severity Index: validation of an instrument to assess psoriatic nail involvement in patients with psoriatic arthritis. Epub 2013 Mar 28. The Nail Psoriasis Severity Index (NAPSI) is a numeric, reproducible, objective, simple tool for evaluation of nail psoriasis. The severity of nail involvement was measured by the Nail Psoriasis Severity Index (NAPSI) scores at the baseline and during the treatment. The nail psoriasis severity index (NAPSI) was used to determine the severity of nail involvement. The psoriasis area severity index (PASI) was used to assess the severity of the disease. Severity and efficacy-related parameters were also analysed. Objective: We sought to determine the psoriatic nail feature which responds to ustekinumab treatment more effectively, and evaluate which between the Nail Psoriasis Severity Index (NAPSI) and the Nijmegen-Nail psoriasis Activity Index tooL (N-NAIL) better reflects the clinical improvement of nail psoriasis. 2005 Oct;53(4):745-6; author reply 746-7. doi: 10.1016/j.jaad.2004.11.044. Psoriatic onychodystrophy or psoriatic nails is a nail disease. 2020 Jun;6(3):134-141. doi: 10.1159/000507298. Is the Nail Psoriasis Severity Index reliable in the assessment of nail psoriasis by rheumatologists? Nail Psoriasis Severity Index (NAPSI) assess the extent of the involvement of the psoriatic nail unit. J Am Acad Dermatol. En raison de sa présentation clinique hétérogène, il est souvent considéré comme un rhumatisme inflammatoire indépendant. The total is the score for the patient . By continuing you agree to the Use of Cookies. The Nail Psoriasis Severity Index (NAPSI) and the Nijmegen-Nail Psoriasis Activity Index tool (N-NAIL) were used to measure the severity and improvement of nail psoriasis. This site needs JavaScript to work properly. Nail Psoriasis Severity Index. The Nail Psoriasis Severity Index (NAPSI) is a numeric, reproducible, objective, simple tool for evaluation of nail psoriasis. Psoriasis Area and Severity Index . The Nail Psoriasis Severity Index (NAPSI) is a numeric, reproducible, objective, simple It assesses for the presence of 4 features of fingernail psoriasis (pitting, onycholysis, hyperkeratosis, and severe nail deformity; score 0-40). 2007 Jan;34(1):123-9 ( PubMed abstract ) Treatments for nail psoriasis: a systematic review by the GRAPPA Nail Psoriasis Work Group. National Center for Biotechnology Information, Unable to load your collection due to an error, Unable to load your delegates due to an error. Response of nail psoriasis to cyclosporin. NAPSI - Nail Psoriasis Severity Index. Results: Pitting was the commonest feature (84%) noted both clinically and dermoscopically. The Nail Psoriasis Severity Index (NAPSI) is used to assign a score to each nail for nail bed and nail matrix psoriasis. Le rhumatisme psoriasique (RPs) est une maladie inflammatoire chronique. Epub 2020 Jan 18. Epub 2006 Nov 27. van der Velden HM, Klaassen KM, van de Kerkhof PC, Pasch MC. It is common in those suffering from psoriasis, with reported incidences varying from 10% to 78%. of psoriatic nails. The Psoriasis Scalp Severity Index (PSSI) assesses severity of scalp. Timed scoring was conducted in a third of patients to assess the feasibility of both tools. Clin Exp Dermatol. 2014 Mar-Apr;89(2):312-7. doi: 10.1590/abd1806-4841.20142633. January 13, 2012 Mar;64(3):455-8. doi: 10.1002/acr.20691. Timed scoring was conducted in a third of patients to assess the feasibility of both tools. The nail plate is divided into quadrants by imaginary longitudinal and horizontal lines. Interobserver reliability of the Nail Psoriasis Severity Index. Abstract. It is a numeric system; however, it is a little bit time consuming.