Juvenile myelomonocytic leukaemia (JMML)

Get information on what JMML is, what the symptoms are and what treatment is available.

Myeloproliferative neoplasms

Myeloproliferative neoplasms are a group of rare disorders of the bone marrow. Find out what they are and the different types.


Myelofibrosis is a rare blood disorder. It causes scarring of the bone marrow which can develop into acute leukaemia in some people.

Myelodysplastic syndromes (MDS)

Myelodysplastic syndromes are blood disorders. They are also called myelodysplasia or MDS for short.

What is Courvoisier syndrome?

Courvoisier syndrome is also called Courvoisier's law or Courvoisier's sign. It means that you have jaundice and a gallbladder that is enlarged but is not painful.

Fibrocystic breast changes

Find out about fibrocystic disease of the breast, which is a non cancerous breast condition.

Polycythaemia vera (PV)

Polycythaemia vera (PV) is a rare condition that affects the bone marrow. It is also called erythrocytosis which means too many red blood cells.

Spitz naevus

Spitz naevus is a rare type of mole. It is not cancer.

Intraductal papilloma

Ductal papilloma is a benign breast condition. This means it is not cancer.

Atypical hyperplasia in a breast lump

Find out about what atypical cells mean in a breast lump.


Angiomyxomas are a rare type of soft tissue tumour (lump). They are not thought of as cancer because they usually grow quite slowly. They don't usually spread to other parts of the body.


Lipomas are non cancerous lumps caused by an overgrowth of fat cells. Find out more about lipomas and its treatment. 

Chronic myelomonocytic leukaemia (CMML)

CMML is a type of chronic blood disorder. Read about the different types of CMML, symptoms, diagnosis and treatment.

Essential Thrombocythaemia (ET)

Essential thrombocythaemia is a rare blood disorder that causes a high number of blood cells called platelets to form. These are blood cells involved in blood clotting.

Gorlin syndrome

Gorlin syndrome is also called naevoid basal cell carcinoma syndrome (NBCCS). You may also see it written a Gorlin’s syndrome.

Last reviewed: 
20 Jan 2015

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