Cystic lesions of the retroperitoneum can be classified as either neoplastic or nonneoplastic.
Neoplastic lesions include cystic lymphangioma, mucinous cystadenoma, cystic teratoma …

Retroperitoneal masses not arising from major solid organs are uncommon. Although there
is no simple method of classifying retroperitoneal masses, a reasonable approach is to …

Primary retroperitoneal masses include a diverse, and often rare, group of neoplastic and
non-neoplastic entities that arise within the retroperitoneum but do not originate from any …

• Retroperitoneal, mesenteric, and omental cysts are rare abdominal tumors occurring in
approximately one of 105,000 hospitalized patients. These cysts have a similar …

The purpose of this article is to familiarize radiologists with the spectrum of" bubbles in the
belly," including the current histologic classification of mesenteric or omental cysts. Although …

Mesenteric and retroperitoneal cysts are rare intra-abdominal tumors. Ten new patients are
presented as well as 152 other cases reported in the English literature. These 162 cases …

There is a broad spectrum of primary pelvic retroperitoneal masses in adults that
demonstrate characteristic epidemiologic and histopathologic features and natural histories …

Cystic disease in the female pelvis is common. The majority of cystic pelvic masses originate
in the ovary, and they can range from simple, functional cysts to malignant ovarian tumors …

Primary retroperitoneal masses constitute a heterogeneous group of uncommon lesions and
represent a challenge due to overlapping imaging findings. Most are malignant lesions …

Objective: Mesenteric cysts are rare intra-abdominal masses generally omited or briefly
reported in textbooks. Their rarity had fostered a lack of information and difficulty in …