sâmbătă, 8 august 2009

Alopecia-hair loss

Alopeciile are diseases of hair and scalp characterized by diffuse or fall located hair.

Diffuse Alopeciile defined in relation to the normal fall of about 50 hairs on the hair falls zi.Unele are physiological (lanugo fall burn to the newborn and called seboreica the male sex).

Androgenic Alopecia is very common in men, responsible for calvitia common with dominant-hereditary predisposition. It begins after adolescence, particularly in the temporal region and is dependent on the affective attitude of the subject vis-avis the ornament to capilara.Acest type calvitie a woman must go in search of a syndrome virilizare.Tratamentul such alopecie disappointing and represents an important source of profit for dealing with medical products and para-medical.

Efluvium telogen (diffuse alopecia stress) is due to timing of many hairs in phase telogena after febrile episode, a difficult Naser, a surgery or an episode negative psychosocial afectiv.Refacerea completed after such an episode are 4 up to 6 months.

Toxic Alopeciile are due in particular anti-cancer chemotherapy, antitiroidienelor Synthesis, anticoagulants, anticonvulsivantelor or derivatives of vitamin A.

Alopeciile diffuse interest is observed in case mixedemului, insufficient pituitare, hipertiroidiei, hipoparatiroidiei, severe diabetes, colagenozelor, food gaps, malabsorption syndromes, syphilis.

Pelade disease is a frequent cause of still does, associated with vitiligo, with auto-antibodies stomach, anti-thyroid, heredity, diabetes, atop, without the trauma psihice.Limita net par is, the skin is shiny, the holes folliculitis pilo-sebacei surrounded by broken wires in 1 cm, deformed shape of the sign can be exclamarii.Evolutia to increase spontaneous or whimsical for generalization.

Other boards are in alopecii be traumatic: tricotilomania or alopecii created different types of hair.

Alopeciile cicatriciale follow any process that destroys pilose folliculitis: trauma, burn, congenital diseases, lupus, folliculitis, data modifications radiotherapy treatments, primitive epithelial cancers, metastases, etc..

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