Results 1 to 10 of about 973,527 (147)

Longitudinal Melanonychia: How to Distinguish a Malignant Condition from a Benign One

Chinese Journal of Plastic and Reconstructive Surgery, 2021
SUMMARY: Longitudinal melanonychia is not a rare clinical condition. It is mostly characterized by the presence of longitudinal, demarcated, and pigmented bands on the nail unit.
Yi CAO, Dong HAN
doaj   +4 more sources

Retrospective analysis of longitudinal melanonychia: A Chinese experience [PDF]

Frontiers in Pediatrics, 2023
ObjectiveWe aimed to analyze the clinical and histopathologic characteristics of longitudinal melanonychia (LM), explore the differences between adults and children, and propose some recommendations.MethodsData on pigmentation, lentigo, subungual ...
Anqi Lyu, Yinglong Hou, Qiying Wang
doaj   +4 more sources

Longitudinal Melanonychia as a Presenting Sign of Onychopapilloma: A Case Report and Review of the Literature [PDF]

Case Reports in Dermatological Medicine
Onychopapilloma is a benign tumor of the nail unit characterized by broad clinical variability, which frequently delays diagnosis. It typically presents as longitudinal erythronychia, melanonychia, subungual hyperkeratosis, or a distal nail mass.
Erandy Alicia Salcedo Elguea, Lizet Valles Montaño, Anna Karina Soto Posada, Jorge Alberto Guerra Villalobos   +3 more
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Transverse V-Y advancement composite tissue flap for repairing defects after longitudinal melanonychia excision—a retrospective cohort study [PDF]

Frontiers in Surgery
Longitudinal melanonychia (LM) is a common nail disorder that sometimes requires surgical excision to rule out malignancy. However, longitudinal complete removal of LM, as one type of method for some special patient, can leave a significant defect in the
Jianhua Zhang, Zhenjun Xie, Wei Su
doaj   +4 more sources

Longitudinal Melanonychia as a Rare Sign of Invasive Squamous Cell Carcinoma: Case Report and Systematic Review [PDF]

Acta Dermato-Venereologica
A 50-year-old male presented with 4-month history of longitudinal melanonychia on the fourth digit of his right foot. A nail matrix and bed biopsy was performed, which led to the diagnosis of invasive well-differentiated squamous cell carcinoma ...
Davide Bertolla, Elisa Marzola, Sebastiano Posenato, Deborah Gabriele, Alessandro Borghi   +4 more
doaj   +2 more sources

Dermoscopic Evaluation of Longitudinal Melanonychia in Children: A Prospective Study [PDF]

Indian Journal of Dermatology, 2021
Background: Longitudinal melanonychia (LM) is a worrisome sign in both children and adults. Nail apparatus melanoma (NAM) can be related to LM, but it is very rare in children.
Mahshid Sadat Ansari, Hamidreza Mahmoudi, Ali Sadeghinia, Shadi Azizzadeh-Roodpishi, Alireza Ghanadan, Maryam Daneshpazhooh   +5 more
doaj   +2 more sources

Clinical and Onychoscopic Features of Benign and Malignant Conditions in Longitudinal Melanonychia in the Thai Population: A Comparative Analysis [PDF]

Clinical, Cosmetic and Investigational Dermatology, 2020
Pintusorn Kungvalpivat,1 Salinee Rojhirunsakool,1,2 Pamela Chayavichitsilp,1 Poonkiat Suchonwanit,1 Chanitwan T Wichayachakorn,1 Suthinee Rutnin1 1Division of Dermatology, Department of Medicine, Faculty of Medicine, Ramathibodi Hospital, Mahidol ...
Kungvalpivat P, Rojhirunsakool S, Chayavichitsilp P, Suchonwanit P, Wichayachakorn CT, Rutnin S   +5 more
doaj   +2 more sources

Optimizing Biopsy Decisions in Benign Longitudinal Melanonychia: A Dermoscopic-Pathologic Study of Nail Matrix Nevus vs. Melanocytic Activation. [PDF]

Skin Res Technol
ABSTRACT Background Longitudinal melanonychia (LM) is a common clinical manifestation of nail melanocytic lesions and poses diagnostic challenges in distinguishing benign melanocytic activation (MA) from melanocytic hyperplasia such as nail matrix nevus(NMN).
Sun Q, Du Z, Shen Z, Chen J, Wang X, Xu H, Cen Q, Liu K.   +7 more
europepmc   +2 more sources

Intraoperative Nail Matrix Assessment in Longitudinal Melanonychia. [PDF]

Int J Dermatol
ABSTRACT Background Longitudinal melanonychia (LM) may represent subungual melanoma (SUM), yet clinical differentiation from benign LM remains challenging. Intraoperative dermoscopy (IOD) improves diagnostic accuracy but requires specialized equipment and time.
Galili E, Kotek O, Shemer A, Snast I, Daniely D, Lyakhovitsky A, Barzilai A.   +6 more
europepmc   +2 more sources

Longitudinal Melanonychia in Children: Clinical and Histopathologic Features and Management with Literature Update [PDF]

Dermatopathology
Longitudinal melanonychia (LM) results from the deposition of pigment in the nail plate due to increased melanocytic activity within the nail matrix. Recent publications on this topic have helped clarify the main clinical, histological, and evolutionary ...
Isabelle Moulonguet, Marie Caucanas, Sophie Goettmann   +2 more
doaj   +2 more sources