The following are recognized features of pan-hypopituitarism except?
Increased insulin sensitivity
Pigmentation of the mucous membranes
Low serum thyroxine and TSH levels
Loss of secondary sex characters
Since ACTH has a paial MSH(Melanocyte Stimulating Hormone) like activity and levels of ACTH in Pan-hypopituitarism will fall, the hyperpigmentation cannot occur. However diseases with Increased ACTH like Addison disease will show hyperpigmentation. Insulin sensitivity implies hypoglycemia. LH/FSH fall will cause loss of secondary sexual features.
Disorders of pituitary gland