Pyometra is an uncommon result of endometritis. The diagnosis of pyome
tra is made when a collection of pus is found within the endometrial c
avity. Antibiotic administration and drainage of the pus are essential
to resolve this condition. A report of a case of pyometra is presente
d and a technique for drainage is described. This case demonstrates th
e use of office-based diagnostic ultrasonography to narrow the differe
ntial diagnosis and guide the drainage procedure, as well as the use o
f simple ingenuity to improve patient care.