Goitre related to hypermetabolism, (increased metabolism), excessive thyroid hormone, an increase in oxygen consumption, metabolic changes in protein metabolism, immunologic stimulation of diffuse goitre, and ocular changes (exophthalmos). Hypothyroid individuals may have weight gain despite poor appetite, cold intolerance, constipation and lethargy. However, these symptoms are often non-specific and make diagnosis difficult. A goitre may be classified either as nodular or diffuse. Nodular goitres are either of one nodule (uninodular) or of multiple nodules (multinodular). Worldwide, the most common cause for goitre is iodine deficiency, usually seen in countries that do not use iodized salt. Selenium deficiency is also considered a
Aromatase deficiency the low oestrogen will predispose those with the condition to osteoporosis. Symptoms are generally manifested in adulthood: During gestation, a baby with Aromatase Deficiency can cause a mother to become virilised by causing the deepening of the voice, cystic acne, cliteromegaly, and hirsutism. The mother also has an increased level of circulating testosterone. However, the symptoms normally regress post-partum. Aromatase deficiency is an autosomal recessive disease with most of the mutations occur along the highly conservative regions of the gene. Both homozygous and heterozygous mutations have been identified along various location of the exon on the P450 arom (CYP19) gene