Archives: Conditions A-Z

Inclusion body myositis

Commonest acquired myopathy after 50 with finger-flexor and quadriceps weakness; often immunotherapy-refractory.

Klinefelter syndrome

Extra X chromosome in males causing hypogonadism and infertility.

Kawasaki disease

Acute medium-vessel vasculitis of childhood with risk of coronary artery aneurysms.

Kallmann syndrome

Hypogonadotropic hypogonadism with impaired smell from defective GnRH neuron migration.

Kennedy disease

X-linked lower motor neuron disorder with bulbar/limb weakness and androgen insensitivity features.

Leishmaniasis

Sandfly-borne parasitic disease with cutaneous, mucocutaneous and fatal visceral forms.

Leber hereditary optic neuropathy

Mitochondrial optic neuropathy causing acute/subacute bilateral central vision loss, mainly young men.

Leber congenital amaurosis

Severe inherited retinal dystrophy causing blindness/severe visual impairment from infancy.