Rhinophyma occurs due to-

Ans. is 'b' i.e., Hypertrophy of sebaceous glands Rhinophvma (potato tumor)o Rhinophyma is large, bulb-shaped, red-colored (ruddy) nose. It is a slow growing benign tumor due to hypertrophy of the sebaceous glands.o The cause of rhinophyma is unknown, though it is thought to be a severe form of acne rosceao Rhinophyma was once thought to be caused by heavy alcohol consumption, but this is not the case. Rhinophyma occurs equally in those who do not drink at all and those who drink large quantities of alcohol.o It mostly affects men past middle age. ed/pink colour of the tumor is due to engorgment of superficial vessels.Treatmento Surgery to reshape the nose is the best known treatment for rhinophyma.o Surgery may be done with a laser (carbon dioxide laser), scalpel (sharp knife) or a rotating brush (dermabrasion)and the area is allowed to re-epithelialize.o Sometimes, tumour is completely excised and the raw area is skin-grafted.