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Targetoid haemosiderotic nevus: four cases and a literature review.
Eur J Dermatol
June 2023
Institute of Dermatology, Chengdu Second People's Hospital, Chengdu, Sichuan, China.
Background: Targetoid haemosiderotic nevus (THN), a distinct clinical form of melanocytic nevus, is characterized by the sudden development of a purpuric halo surrounding a pre-existing nevus, easily mistaken for melanoma.
Objectives: To summarise the clinical, dermoscopic and histopathological findings of THN in order to better recognize and manage this condition.
Materials & Methods: We describe four cases and provide a review of the literature based on a search in PubMed.
Line-field confocal optical coherence tomography of cutaneous vascular lesions: Morphological assessment and histopathological correlations.
J Eur Acad Dermatol Venereol
April 2023
UOC di Dermatologia, Dipartimento di Scienze Mediche e Chirurgiche Addominali ed Endrocrino Metaboliche, Fondazione Policlinico Universitario A. Gemelli - IRCCS, Rome, Italy.
Article Synopsis
- Cutaneous vascular lesions (VLs) can be benign or malignant and are usually diagnosed with dermoscopy, but some cases require additional imaging techniques like line-field confocal optical coherence tomography (LC-OCT) for clearer analysis.
- This study analyzed LC-OCT features of 71 VLs from 50 patients, correlating these findings with histopathological results to enhance diagnostic accuracy.
- The findings suggest that LC-OCT can help identify the vascular characteristics of skin lesions, aiding in their differential diagnosis and improving clinical understanding of these conditions.*
Targetoid haemosiderotic haemangioma: A report with basal epithelial cells positive for oestrogen receptor.
Australas J Dermatol
November 2019
Department of Galactophore, Shuguang Hospital Affiliated to Shanghai University of TCM, Shanghai, China.
We present an extremely rare case of a 53-year-old woman with an intraoral superficial haemosiderotic lymphovascular malformation (SHLM), also known as hobnail haemangioma. SHLM is a rare, benign, vascular tumour first described as targetoid haemosiderotic haemangioma, with only a handful of cases reported to present in the oral cavity. The diagnosis was established following complete surgical excision of the lesion, and after 14 months, there are still no signs of recurrence.
View Article and Find Full Text PDFThe limitations of dermoscopy: false-positive and false-negative tumours.
J Eur Acad Dermatol Venereol
June 2018
First Department of Dermatology, Aristotle University, Thessaloniki, Greece.
Dermoscopy has been documented to increase the diagnostic accuracy of clinicians evaluating skin tumours, improving their ability to detect skin cancer and better recognize benign moles. However, dermoscopically 'false-positive' and 'false-negative' tumours do exist. False-positive diagnosis usually leads to unnecessary excisions.
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