CLOVES Syndrome

CLOVES Syndrome

CLOVES Syndrome Latest News

Researchers believe that CLOVES Syndrome is caused by mutations in a gene called PIK3CA and less than 200 cases are believed to have been reported worldwide.     

About CLOVES Syndrome

  • CLOVES Syndrome, in which the letters stand for: Congenital; Lipomatous; Overgrowth; Vascular malformations ; Epidermal nevi and Spinal/skeletal anomalies/Scoliosis, is very rare condition.       
  • It is a rare genetic disorder.
  • Cause: It is caused by mutations in a gene called PIK3CA which makes one of the proteins in an enzyme called PI3K, which is involved in many important functions in a cell.
  • Mutations in the PIK3CA gene may cause the PI3K enzyme to become overactive, which may cause cancer cells to grow.
  • PIK3CA gene mutations have been found in many types of cancer, including cancers of the breast, lung, ovary, stomach, brain, colon, and rectum.
  • CLOVES Syndrome is an overgrowth disorder, part of a larger group of similar disorders called PIK3CA-related overgrowth spectrum or PROS.
  • The mutations in the PIK3CA gene are believed to occur spontaneously in the womb.
  • It is not hereditary and cannot be passed on.   

Symptoms of CLOVES Syndrome

  • Growth of Soft masses of fatty tissue on the abdomen, back, sides and buttocks.
  • Vascular or blood vessel anomalies such as dilated veins that may be seen in the chest, arms and legs and that may pose a risk of blood clots
  • Large and wide hands or feet, with large gaps between fingers and toes; ‘port wine stain’ birthmarks;
  • Spinal problems such as scoliosis or a tethered cord; kidney problems; skin abnormalities such as raised bumps,
  • Treatment: There is no cure as yet for CLOVES syndrome. However, with the right diagnosis, healthcare providers can help patients manage symptoms.

Source: TH

CLOVES Syndrome FAQs

Q1: What is the difference between CLOVES and Klippel Trenaunay syndrome?

Ans: CLOVES is caused by a mosaic mutation in PIK3CA. This is the same gene that is mutated in M-CM. Klippel-Trenaunay syndrome (KTS) is characterized by a triad of findings including slow-flow vascular malformations involving the veins and capillaries, an abnormally developed lymphatic system, and hemihyperplasia.

Q2: What is CLOVES syndrome?

Ans: Congenital Lipomatous Overgrowth, Vascular Malformations, Epidermal Nevis, Spinal/Skeletal Anomalies/Scoliosis (CLOVES) syndrome is a very rare congenital (present at birth) disorder characterized by a combination of vascular (involving the blood vessels), skin, spinal, and bone or joint abnormalities.

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