Marcus Maia

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BACKGROUND Striae occur in over 70% of pregnant women and tend to develop after 25 weeks of gestation. Despite the fact that their etiology has not yet been fully understood, it is accepted that a combination of genetic factors, endocrine alterations and mechanical stretching of skin play a significant role. Due to different results reported in the(More)
CONTEXT AND OBJECTIVE Cutaneous melanoma represents around 3% of all skin tumors. About 20% of such patients will have advanced disease and will die before reaching five years of survival. The aim of this paper was to describe the clinical and histopathological variables and their correlations. DESIGN AND SETTING Retrospective, descriptive,(More)
Brazil is a country of continental dimensions with a large heterogeneity of climates and massive mixing of the population. Almost the entire national territory is located between the Equator and the Tropic of Capricorn, and the Earth axial tilt to the south certainly makes Brazil one of the countries of the world with greater extent of land in proximity to(More)
BACKGROUND The social reality of the albino needs to be more studied in Brazil, as myths and social segregation regarding this illness are likely to be found in the country, with psychosocial and medical implications. OBJECTIVE As this subject has not been referenced in previous scientific articles in Brazil, this research intends to evaluate the quality(More)
Clinicopathologic correlation is essential for diagnostic accuracy. Even though interdependent, dermatology and dermatopathology have become apart. In order to minimize this distance, we have performed ex vivo dermoscopic examinations. We performed comparative in vivo and ex vivo dermoscopy study followed by histopathological mapping. We observed that ex(More)
This study describes a prosodic process used in the Brazilian Indigenous language Kaingang (Je family, Macro-Je stock), to distinguish tense in a specific verb class ended by consonantal segments. Pitch distinguishes past and future tenses in that verb class, in both declarative and in interrogative sentences. A psycholinguistic experiment and acoustic(More)
Lentigo maligna has an extensive and neoplastic character. It typically progresses slowly and may eventually develop into an invasive melanoma, which is called lentigo maligna melanoma. Ocular melanoma is the second most common type of melanoma. The uvea is the most common site of origin of ocular melanomas, while conjunctival melanoma accounts for about(More)
AIMS The aim of this study is to confirm the function of tumor-infiltrating lymphocytes (TILs) in sentinel lymph node (SLN) metastasis. MATERIALS AND METHODS This retrospective study included 633 patients with invasive melanoma who underwent sentinel lymph node biopsy in 7 referral centers certified by the Brazilian Melanoma Group. Independent risk(More)
Conflicts of interest: none Financial support: none ABSTRACT Introduction: Stretch marks are linear, atrophic, and well-defined cutaneous lesions, secondary to modifications in the conjunctive tissue.Their etiology is unclear. Objective:To evaluate and compare risk factors for the occurrence of stretch marks during the first pregnancy of women who gave(More)