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[Renal vein infarction, a complication of paroxysmal nocturnal hemoglobinuria]

Charlotte de Charry1, Félicité de Charry, François Lemoigne

  • 1Service d'imagerie médicale, hôpital d'instruction des armées Desgenettes, 108, boulevard Pinel, 69003 Lyon, France. decharry3@yahoo.fr

Nephrologie & Therapeutique
|May 22, 2012
PubMed

Insights

Paroxysmal nocturnal hemoglobinuria, a rare blood disorder from a PIG-A gene mutation, often causes hemolytic crisis and thrombosis. This report details a rare case involving renal vein thrombosis, a serious complication.

Area of Science:

  • Hematology
  • Genetics
  • Vascular Medicine

Background:

  • Paroxysmal nocturnal hemoglobinuria (PNH), also known as Marchiafava-Micheli disease, is a rare acquired clonal disorder of hematopoietic stem cells.
  • It arises from a somatic mutation in the phosphatidylinositol glycan (PIG-A) gene, leading to complement-mediated intravascular hemolysis and thrombosis.
  • Common clinical manifestations include hemolytic crises and venous thrombosis in various territories.

Observation:

  • This report presents a rare case of PNH with an unusual complication.
  • The patient experienced renal vein thrombosis, a less frequently documented manifestation of the disease.

Findings:

  • The case highlights that renal vein thrombosis can occur in patients with Paroxysmal nocturnal hemoglobinuria.
  • This underscores the diverse thrombotic complications associated with PNH.

Implications:

  • Recognizing renal vein thrombosis as a potential complication of PNH is crucial for timely diagnosis and management.
  • This case broadens the understanding of PNH's thrombotic spectrum.
  • Early identification and treatment of such rare complications can improve patient outcomes.

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