[1][7] The two conditions can usually be distinguished easily by palpation to check for the presence of glandular tissue.

[5] Sometimes, gynecomastia and pseudogynecomastia are present together; this is related to the fact that fat tissue expresses aromatase, the enzyme responsible for the synthesis of estrogen, and estrogen is produced to a disproportionate extent in men with excessive amounts of fat, resulting in simultaneous glandular enlargement.

Grade one is characterized as having minimum excess fat and skin on the chest, as well as limited change in nipple placement and inframammary fold descent.

[10] Ultrasonic and suction-assisted lipectomy, followed by secondary excisional procedures, can be used to treat Grade 1a Adipomastia.

Ultrasonic and suction-assisted lipectomy, as well as direct excision of the lateral chest roll, are used to treat grade 1b Adipomastia.