The sections show peri-appendiceal mature adipose tissue infiltrated by a prominent inflammatory infiltrate, characterized by the presence of lymphocytes and plasma cells within the interstitium with related areas of fat necrosis and mild fibrosis. No evidence of appendiceal tissue. No evidence of specific granulomas. No evidence of atypia or tumors.
Recurrent right-sided abdominal pain underwent surgical exploration and appendectomy for a 2 x 1 cm lesion.
Soft tissue piece measured 3x1.5x1 cm, totally embedded.
Peri-appendiceal mass, excision: