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Bowel cancer

The large bowel is the last stretch of the digestive tract: the colon, where water is drawn back out of the food mush, and the rectum, where stool is formed…

Bowel incontinence

Bowel incontinence means losing control over emptying the bowel: the contents arrive before you can reach a toilet, or leak out without you noticing at all.

Bowel polyps

A bowel polyp is a growth on the lining of the large bowel or the rectum. It is a very common finding: after the age of fifty, at least one polyp turns up in…

Bowen's disease

Bowen's disease is the earliest stage of squamous cell skin cancer. The altered cells are already there, but they remain confined to the surface layer of the…

Brain abscess

A brain abscess is a walled-off pocket of pus inside brain tissue. The microbes reach it from a nearby focus in the skull, arrive through the bloodstream, or…

Brain aneurysm

An aneurysm is a bulge on the wall of an artery in the brain, shaped rather like a berry on a thin stalk. The wall there is weaker and thinner than normal.

Brain death

Brain death is the state in which the brain, brainstem included, has irreversibly stopped working, while breathing and circulation are kept going by machines…

Brain tumours

A brain tumour is a mass of cells growing where there is no spare room. The skull does not stretch, so even a small, slow-growing mass can seriously disturb…

Breast abscess

A breast abscess is a pocket of pus inside the breast, walled off from the surrounding tissue.

Breast cancer in men

Everyone has breast tissue, whatever their sex: in men there is only a little of it, it sits under the nipple and never develops beyond a rudimentary state.

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