Melanin is absent or small amounts can be found with the Fontana-Masson stain, or, if fresh tissue is available, the dopa reaction can prove positive in at least part of the tumor. [21] ...

October 17, 2007 (Chicago) -- Staged excisions of lentigo maligna in a geometric pattern provide a lower recurrence rate of the condition than routine excisions while allowing for relatively small ...

Facial pigmented lesions come in many different types, such as melasma, ephelides, acquired dermal melanocytosis, solar lentigo, and lentigo maligna melanoma, but they are often visually similar ...

The strongest predictor of lentigo maligna melanoma progression is histologic margin status, and patients with margins less than 3 mm should consider re-excision, according to a study.“Lentigo ...

Discover a study showing how AI outperforms dermatologists in diagnosing facial pigmented lesions, supporting safer treatment decisions.

Carbon Dioxide Laser Treatment for Lentigo Maligna: A Retrospective Review Comparing 3 Different Treatment Modalities. Archives of Facial Plastic Surgery, 2011; 13 (6): 398 DOI: 10.1001/archfacial ...

Noting that local excision of lentigo maligna with a margin of 5 mm has recurrence rates ranging from 6 to 20 percent, K. de Vries, from the University Medical Center Groningen in the Netherlands ...

Facial pigmented lesions, come in many different types, such as melasma, ephelides, acquired dermal melanocytosis, solar lentigo, and lentigo maligna melanoma, but they are often visually similar ...

Researchers at the Mayo Clinic in Rochester, Minn., conducted a retrospective study of primary lentigo maligna (LM) cases treated between Jan. 1, 1995, and Dec. 31, 2005.

HealthDay News — For patients with lentigo maligna (LM) in-situ melanoma, topical imiquimod has a pathological complete regression (pCR) rate of 37%, according to a study published online ...

Patients were sampled from the Queensland cancer registry in three groups: superficial spreading or nodular melanomas of the trunk (n = 154), of the head and neck (HN; n = 76), and lentigo maligna (LM ...