[Angioedema as initial manifestation of hypogammaglobulinemia].

Common variable immunodeficiency is characterized by hypogammaglobulinemia and the inability to respond to vaccines. Patients mostly manifest infections, however only less than 5 % have pathological conditions as autoimmunity, granulomatous inflammation, and splenomegaly or lymphoproliferative disease among others, without showing infections. We report the case of a woman who debuted with localized cutaneous affection, facial angioedema, without other early symptoms.

[Clinical-epidemiological profile of oral allergy syndrome in the population aged 6 to 18 years].

Background: Oral allergy syndrome (OAS) or pollen-fruit syndrome is a type of food allergy. Its characteristics and associated allergens vary according to the studied population. There are few studies in Mexico about this topic, none in children.

[Guía latinoamericana para el diagnóstico y tratamiento de alergia a las proteínas de la leche de vaca (GL-APLV)].

Cow's milk allergy (CMA) is an immune-based disease that has become an increasing problem. The diagnosis and management of CMA varies from one clinical setting to another and represents a challenge in pediatric practice. In addition, because nonallergic food reactions can be confused with CMA symptoms, there is an overdiagnosis of the disease.

[Etoposide desensitization. A case report].

All chemotherapeutic agents have the potential to induce hypersensitivity reactions and the repeated administration of such drugs during a cancer treatment enhances specific sensitization. Epipodophyllotoxins (etoposide and teniposide) are commonly used to treat lung, testicular, central nervous system and hematologic cancers. Hypersensitivity reactions to epipodophyllotoxins are not the most common but they have been reported.