Recognizing and Diagnosing WHIM Syndrome

WHIM syndrome is a rare, congenital primary immunodeficiency disorder associated with neutropenia that typically presents in childhood or adolescence. However, due to the heterogeneous presentation of the disease, coupled with lack of awareness of the condition,...

The Complement System and Rare Diseases

  Laura Gault, MD describes the Complement system and how manipulation of that system can be used to treat numerous rare conditions. As shown in the figure below (open source figure courtesy of Schartz, Tenner, 2020), Complement is activated by three different...

What is Homocystinuria (HCU)?

What is Homocystinuria (HCU)?     Can Ficicioglu, MD, PhD, Clinical Director of the Metabolic Disease Program at Children’s Hospital of Philadelphia, gives an overview of homocystinuria. As Dr. Ficicioglu explains, homocystinuria is a rare congenital...