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Glomous tumor (glomangioma)

It arises from the cutaneous glomus composed of a tortuous arteriole which communicates directly with the venule and these vessels being surrounded by a network of nerves making it very painful. This communication is called Sacquet Hoyer canal

Tumor consists of a mixture of blood spaces , non medullated nerve tissue, muscle fibres derived from the wall of arteriole, with large cuboidal glomal cells - angiomyoneuroma

They are often seen in limbs and common in nail beds

Clinical features :
Severe burning sensation
Out of proportionate size
Looks like a reddish blue spot which does not blanch on percussion

Differential diagnosis :
Pyogenic granuloma
Subuncal melanoma

Treatment :

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