[Posterior reversible encephalopathy syndrome (PRES) and hemolytic anemia: two severe and unusual complications of acute post-streptococcal glomerulonephritis].

Unlabelled: The most frequent cause of nephritic syndrome in the pediatric population is acute post-infectious glomerulonephritis (PIGN). A rare complication is posterior reversible encephalopathy syndrome (PRES), characterized by subcortical vasogenic cerebral edema associated with variable neurological symptoms. The development of autoimmune hemolytic anemia is an atypical clinical presentation.

[Tacrolimus in Difficult to Treat Proteinuria Associated with Lupus Nephritis. Experience of 3 Centers].

Unlabelled: The management of proteinuria in patients with lupus nephritis represents a challenge for the specialist. Recently, Calcineurin Inhibitors have been positioned as an effective alternative in these patients, but their use is not widespread in our country. We report the experience of three centers in this regard.

[Fortuna and Serendipity: history of some drugs used in Pediatric Intensive Care].

Serendipity has played a crucial role in the history of many different areas of science, including modern medicine. This corresponds to the ability to make a discovery, which occurs accidentally or by chance, in combination with the sagacity of the observer. Many of the most important and revolutio nary findings in medical science, specifically pharmacology, involved serendipitous events of a natu re.

[Development of nephrotic syndrome in a patient with Hashimoto's Thyroiditis].

Unlabelled: The development of nephrotic syndrome in concomitance with Hashimoto's thyroiditis is an in frequent association in the pediatric age.

Objective: To report an infrequent complication of au toimmune thyroiditis, such as the appearance of nephrotic syndrome.

Clinical Case: A 10-year-old patient presenting with nephrotic syndrome and goiter.

[Historical milestones for the control of severe infections and sepsis in pediatrics. Approach through medical philately].

Medical philately, with its diverse themes, is a faithful testimony of the historical events that have affected humanity. Likewise, it allows us to evidence its role as a diffuser of diverse prevention cam paigns carried out to control and eradicate serious infections, together with other achievements of health policy in the child population. Nowadays, the knowledge and collection of postage stamps is an increasingly unusual pastime.