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All Communities

  • Kabuki Syndrome

    5 members

    Kabuki Syndrome is a very rare pediatric congenital disorder characterized by multiple congenital anomalies and mental retardation.

  • Kallmann Syndrome

    7 members

    Kallmann syndrome is a rare disease characterized by the body’s failure to release proper growth and development hormones at the time of puberty. Both males and females with Kall...

  • Kaposi's Sarcoma

    1 members

    Kaposi's Sarcoma is a tumor caused by Human herpesvirus 8 (HHV8).

  • Kawasaki Disease

    5 members

    Kawasaki Disease is a rare form of vasculitis characterized by high fevers, rash, swelling of lymph nodes in the neck and pain.

  • KBG Syndrome

    1 members

    KBG Syndrome is a rare genetic disorder characterized by short stature, mental retardation and abnormal development of various bones.

  • KCNC1 developmental and epileptic encephalopathy

    1 members

    KCNC1 developemental and epileptic encephalopathy (DEE) is a rare single gene condition caused by disease-causing changes in the KCNC1 gene, excluding the c.959G>A; p.Arg320His variant, ...

  • KCNMA1 - linked channelopathy

    1 members

    Kcnma1 is a disorder that causes generalized epilepsy, dyskinesia, developmental delays, tremors, heart issues, gi tract issues and more. 

  • Kearns-Sayre Syndrome

    5 members

    Kearns-Sayre Syndrome is a rare disorder caused by a 5,000 base deletion in the mitochondrial DNA.

  • Kennedy's Disease

    3 members

    Kennedy's Disease is a rare neuromuscular disease involving the mutation of the androgen receptor.

  • Keratoconus

    4 members

    Keratoconus is an eye disorder in which structural changes within the cornea cause it to thin and become more conical.


  • Kienbock's Disease

    9 members

    Kienbock's disease is a wrist disorder caused by the breakdown of the lunate bone.

  • Kikuchi's Disease

    4 members

    Kikuchi's disease is a rare non-cancerous enlargement of the lymph nodes.

  • Klatskin Tumor


  • Kleine-Levin Syndrome

    4 members

    Kleine-Levin Syndrome is a rare disorder characterized by the need for excessive amounts of sleep.

  • Klinefelter's Syndrome

    10 members

    Klinefelter's Syndrome is a rare genetic condition caused by a chromosome aneuploidy.

  • Klippel-Feil Syndrome

    2 members

    Klippel-Feil Syndrome is a rare disorder characterized by the fusion of any 2 of the 7 cervical vertebrae.

  • Klippel-Trenaunay Syndrome

    9 members

    Klippel-Trenaunay Syndrome is a congenital circulatory disorder characterized by hemiangiomas, arteriovenous abscesses, and varicose veins, usually on the limbs.

  • Krabbe Disease

    1 members

    Krabbe Disease is a rare disorder that affects the myelin sheath of the nervous system.