The Impact of Clinical Features on Survival and Relapse of Patients Diagnosed With T-cell Acute Lymphoblastic Leukemia - a Multicenter Cohort Study.

Background: T-cell acute lymphoblastic leukemia (T-ALL) remains understudied compared to B-cell ALL, especially in Latin America. Different biology and response to chemotherapy have been described.

Methods: This retrospective multi-site cohort study analyzed data from 152 newly diagnosed T-ALL patients aged 15 years and above, between January 2010 and June 2022.

Unexpected findings of hepatitis B and delta infection in northeastern Brazil: A public health alert.

Introduction And Objectives: Research has shown that hepatitis B (HBV) and Delta virus (HDV) are a worldwide public health problem. This study aims to estimate the prevalence rates of HBV and HDV infection in five municipalities of Maranhão, Northeastern Brazil.

Materials And Methods: A total sample between 3856 and 4000 individuals.

Interferon beta-1a treatment in HTLV-1-associated myelopathy/tropical spastic paraparesis: a case report.

Here a young patient (< 21 years of age) with a history of infective dermatitis is described. The patient was diagnosed with myelopathy associated with HTLV-1/tropical spastic paraparesis and treated with interferon beta-1a. The disease was clinically established as HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP), and laboratory tests confirmed the presence of antibodies to HTLV-1 in the cerebrospinal fluid (CSF).