[Fiebre manchada de montañas rocosas: experiencia en 5 años de vigilancia activa en un hospital pediátrico de segundo nivel en el noreste de México].

IntroducciÓn: La fiebre manchada de las montañas rocosas (FMMR) es causada por Rickettsia rickettsii. En Coahuila, la región de la Comarca Lagunera se considera una zona endémica. No se han reportado casos en la zona sur del estado, específicamente en la ciudad de Saltillo.

Acute kidney injury and cholestasis associated with Kawasaki disease in a 9-year-old: Case report.

Kawasaki disease (KD) is a systemic vasculitis frequent in children younger than 5 years of age. It involves coronary arteries and other medium-sized vessels. There also exists evidence of inflammatory and proliferative changes affecting the biliary tract and lymphocyte infiltration of the renal interstitial.

[Systemic lupus erythematosus in a 6 year old female child].

Systemic lupus erythematosus (SLE) is an uncommon disease, particularly in the first decade of life. Finding it before the first year of life is very rare and it entails a difficult diagnosis to document because the clinical manifestations can be very variable and can simulate a great variety of diseases. In the pediatric age, incidence of SLE is 0.

[Juvenile dermatomyositis and extensive calcinosis. Treatment with methylprednisolone and methotrexate].

Juvenile dermatomyositis (JDM) is considered a multisystemic disease of uncertain etiology. The clinical manifestation is a non-suppurative inflammation of the striated muscle, gastrointestinal tract and skin. Dystrophic calcifications are present in 30%-70% of children with JDM.