Which of the following conditions is likely to present with weight gain and moon facies?

Cushing's syndrome is associated with specific clinical features, one of which is weight gain. In this condition, there is an excess of cortisol in the body, often due to a tumor or prolonged use of corticosteroid medications. One of the hallmark signs of Cushing's syndrome is moon facies, characterized by a rounded, full face due to fat redistribution.

In addition to weight gain and moon facies, individuals with Cushing's syndrome may also exhibit other symptoms such as purple striae on the abdomen, easy bruising, and changes in fat distribution leading to a buffalo hump on the back. The combination of these features helps differentiate Cushing's syndrome from other conditions.

Other conditions listed, while they may have overlapping symptoms, do not typically present with both weight gain and moon facies. For example, thyroid storm involves excessive thyroid hormone leading to symptoms such as weight loss, agitation, and increased heart rate, which is the opposite of weight gain. Dwarfism is characterized by short stature and does not include significant weight gain or moon facies. Acromegaly involves the excess production of growth hormone, which can lead to changes in hand and facial features but not typically the rounded facial appearance seen in moon facies. Thus, the presentation