Castleman’s disease, giant lymph node hyperplasia, is a kind of benign lymphoproliferative disease with gentle behavior. Its etiology and prevalence are unclear. This rare disease is usually found in mediastinal area asymptomatically and incidentally. It is also rare to see this tumor in the retroperitoneum. In this study, we have introduced a 34-year-old woman who referred just with occasional...

Primary retroperitoneal tumors are rare, and benign retroperitoneal tumors are exceptionally rare. Herein, we present a very rare case of benign concomitant retroperitoneal intramuscular hemangioma and intravascular papillary endothelial hyperplasia, with the unusual presentation of lumbosacral plexopathy. After surgical treatment and rehabilitation, the patient recovered uneventfully. This cas...

Primary retroperitoneal mucinous tumors are rare neoplasms and almost exclusively seen in women. In this case report we present two cases of this entity with their clinicopathologic features. The first patient was a 32 years old unmarried woman presented with abdominal pain. Ultrasound imaging demonstrated a solid and thick walled ovarian mass m. 105* 70*80 mm. At laparotomy a large retroperito...

Complex adnexal cystic masses in women of reproductive age should be carefully evaluated before the final diagnosis is set. Adnexal are not necessary malignant. On contrary, they usually refer to a benign and cancerous pathology. A certain pathology behind endometriosis. Endometriosis occurs 10-15% presents great diversity both way it manifests its location. We report case multiparous woman tha...

Retroperitoneal sarcomas (RPS) are rare malignant tumours that originate from connective tissues of skeletal or extraskeletal origin in the retroperitoneal region, which often missed. This case report highlights a patient with RPS presented abdominal swelling. In addition, this was written to elucidate significance thorough history, physical examination findings, and awareness considering as di...

 Abstract Castleman disease or giant node hyperplasia is a rare disorder of the lymphoid tissue most often involving the mediastinal lymph nodes. We report a case of localized retroperitoneal hyaline-vascular type of Castleman disease. A 35-year old woman presented with mild epigastric pain with radiation to the back. Amild anemia was the only abnormal associated finding. Abdominal ultrasound a...