A suspected pelvic aneurysmal bone cyst in pregnancy

Area of Science:

• Obstetrics and Gynecology
• Orthopedic Oncology
• Radiology

Background:

• Pelvic bone lesions during pregnancy are uncommon, with most bone abnormalities occurring outside the pelvic region.
• Childbirth can significantly impact pelvic bone integrity, leading to fractures and changes, particularly when pre-existing lesions are present.
• Clinical data on managing pregnancies complicated by pelvic aneurysmal bone cysts (ABCs) is limited, presenting a diagnostic and therapeutic challenge.

Purpose of the Study:

• To present a case of a pelvic iliac lesion, suspected to be an aneurysmal bone cyst (ABC), in a pregnant individual.
• To discuss the clinical evaluation and management strategies for pelvic bone lesions during pregnancy.
• To explore the implications of such lesions on labor and delivery, including modes of delivery.

Main Methods:

• Case report presentation of a pregnant patient with an iliac bone lesion.
• Review of clinical findings and diagnostic imaging.
• Discussion of potential effects of labor on pelvic bone lesions and delivery considerations.

Main Results:

• The case involved a pelvic lesion in the ilium during pregnancy, highly suspected to be an aneurysmal bone cyst.
• The study highlights the challenges in predicting the impact of parturition on pelvic bone lesions.
• Limited data exists on the clinical outcomes for pregnancies complicated by pelvic ABCs.

Conclusions:

• Pelvic bone lesions in pregnancy, though rare, require careful evaluation due to potential complications during labor and delivery.
• Management decisions, including mode of delivery, must consider the specific characteristics of the pelvic lesion and risks to both mother and fetus.
• Further research and case reporting are needed to establish optimal management guidelines for pregnancies complicated by pelvic bone lesions such as ABCs.