Cystic enlargement of the iliopectineal bursa is comparatively uncommon. Gatch and Green1 were able to collect only 32 cases up to 1925 in an exhaustive study of the literature. They added 1 of their own in which a woman aged 60, had a swelling in the groin about the size of a hen's egg. There were no symptoms.
Menninger2 in 1932 reported an iliopectineal bursa the size of a goose egg in a man 36 years of age, with no history of trauma. The mass was excised and found to be communicating with the hip joint by a small opening.
In 1933 O'Connor3 reported 33 cases of iliopectineal bursitis, in 7 of which operation was done. In at least 10 of the cases there was palpable but not necessarily visible enlargement. A good description of the symptoms and signs is given, and the methods of treatment are
STEPHENS VR. CYSTIC TUMOR OF THE ILIOPECTINEAL BURSAREPORT OF TWO CASES. Arch Surg. 1944;49(1):9–11. doi:10.1001/archsurg.1944.01230020012002