Conditions we treat

Use the search box below to learn more about the conditions we treat at Great Ormond Street Hospital. 

Port wine stains

A port wine stain is a vascular birthmark caused by abnormal development of blood vessels in the skin. A port wine stain is sometimes referred to as a capillary malformation.This page explains about port wine stains and what to expect when your child comes to Great Ormond Street Hospital for treatment.

Glomuvenous malformations

A glomuvenous malformation is a type of vascular malformation made of abnormal accumulations of blood vessels and glomus body cells. This leaflet explains about glomuvenous malformations, what causes them and how they can be treated. It also explains what to expect when your child comes to Great Ormond Street Hospital for assessment and treatment.

Lymphatic malformations

A lymphatic malformation is an abnormality of the lymphatic system. This information sheet is about lymphatic malformations, what causes them and how they can be treated. It also outlines what you can expect when your child comes to Great Ormond Street Hospital (GOSH) for assessment and treatment.


A haemangioma is a collection of small blood vessels that form a lump under the skin. They are sometimes called ‘strawberry marks’ because the surface of a haemangioma may look a bit like the surface of a strawberry.This page explains about haemangiomas and what to expect when a child comes to Great Ormond Street Hospital (GOSH) for treatment. Although this leaflet focuses on the problems haemangiomas can develop, it is always important to remember that 80 per cent of haemangiomas do not develop any problems at all, and in those that do, the problems may not be severe.


Psoriasis is a relatively common skin condition affecting around two per cent of the UK population. It causes thickened flat plaques or patches of skin that are red, crusty, itchy and flaky.This information sheet from Great Ormond Street Hospital (GOSH) explains the causes, symptoms and treatment of psoriasis and where to get help.