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["Goiters and the associated idiocy in several countries. Attempts of Vincenzo Malacarne from Saluzzo". Current interpretation of endemic cretinism].

Two hundred years ago V. Malacarne pathologist and surgeon, born in Saluzzo, a town on the foot of the Cottian Alps, published a booklet about goiter and endemic cretinism being diseases prevalent at that time in the countryside. In 1940-45 goiter epidemics spread through these still endemic regions. On the basis of his own observations on autoptic specimens he suggested that the main cause of cretinism was brain damage due to impeded blood circulation by the neck swelling, and invited the pathologists of the Po and Aosta Valleys to send him "il capo ed il collo (the head and the neck)" of these goitrous idiots for a control. Also today we believe the thyroid and the brain to contain crucial factors of cretinism, both sporadic and endemic, and we assume that iodine deficiency is the causal link between the two diseases. Yet we do not know either the factors which damage and prevent, in the myxedematous cretin, postnatal thyroid growth, or the aetiopathogenesis of the deaf-mutism, spastic paraplegia and severe mental deficiency of the neurological non hypothyroid cretin. While these questions remain unanswered, ample evidence has matured during the last two centuries regarding the practical importance of iodine prophylaxis to prevent these scourges, today referred to as "iodine deficiency disorders". Some recent findings on diencephalon inflammation in human and canine goitre are quoted.

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