1 The results of prophylactic measures for femoral head AVN have considerable variation, but certain generalizations can safely be stated. 2  Namely, the clinical results of core decompression alone deteriorate with more advanced lesions.
1 Melasma is very common skin ailment. It can occur to anyone, but young women with brownish tone are more likely to contract with it.  The condition is often linked with female hormonal changes. Change in level of estrogen and progesterone may cause melasma.
Both melanocyte-stimulating hormone and Î±-MSH are capable of stimulating melanin production in sun exposed areas under the action of ultraviolet light. Prolonged dosages of Î±-MSH, however, will not only increase pigmentation of the skin, but may also cause hypertrichosis (excessive hair growth) and skin atrophy.