Introduction to Retroperitoneal Teratoma

What is/are Retroperitoneal Teratoma?

Retroperitoneal Teratoma - Introduction: Retroperitoneal Teratomas (RPT) are rare germ cell tumours. ^[1] Retroperitoneal teratomas are rare tumors that are usually asymptomatic and often escape detection until they become very large. ^[2] CONCLUSION A combination of three-dimensional reconstruction and virtual reality technology before surgery improves the rate of complete resection of retroperitoneal teratoma. ^[3] Primary retroperitoneal teratomas are rare, representing only 1%–11% of primary retroperitoneal neoplasms. ^[4] A logistic regression model was fit to predict the presence of retroperitoneal teratoma using teratoma and yolk sac tumor (YST) in the orchiectomy, residual mass size, and log transformed values of pre-chemotherapy AFP and bHCG. ^[5] Benign retroperitoneal teratomas are relatively rare tumors that usually progress slowly and are found in newborns and young adults. ^[6] Primary retroperitoneal teratomas are uncommon in adults and often challenging to treat, given their location and size. ^[7] Retroperitoneal teratomas (RPTs) are rare in infants. ^[8] Primary retroperitoneal teratomas are rare non-seminomatous germ cell tumors that arise from embryonal tissues. ^[9] • Retroperitoneal teratoma: An incidental finding. ^[10] Primary retroperitoneal teratoma is a tumor originating from each of the three germ cell layers and generally presenting as a large mass in the gonadal and sacrococcygeal region. ^[11] Primary retroperitoneal teratomas are uncommon extragonadal nonseminomatous germ cell tumors that are composed of well differentiated parenchymal tissues which are derived from more than one of the three embryonic germ cell layers. ^[12] The use of RPLND in clinically stage I and low volume stage II disease may offer the advantages of treating retroperitoneal teratoma which is present in 15% to 20% of patients, avoiding chemotherapy and reducing the need for frequent imaging during follow-up. ^[13] Although it is well known that rhabdomyosarcoma occurs in infantile NF1, and that rhabdomyosarcoma can arise from teratoma as a somatic‐type malignancy, to the best of our knowledge, this is the first case of an infantile NF1 patient, who developed rhabdomyosarcoma within a retroperitoneal teratoma. ^[14] BACKGROUND Retroperitoneal teratoma is uncommon and carries considerable surgical risks. ^[15] Here we are discussing a rare case presentation of middle age female, presented with abdominal fullness and pain which later diagnosed as retroperitoneal teratoma on CT scan. ^[16] Rationale: Giant mature retroperitoneal teratoma of the adrenal region is quite rare in adults. ^[17] Retroperitoneal teratomas are extremely rare in adults and are typically benign tumors. ^[18] We compared a case of retroperitoneal teratoma associated with anti-NMDAR encephalitis and four control cases. ^[19] Primary mature retroperitoneal teratomas are rare tumors most commonly occurring in adult females. ^[20] Conclusion The retroperitoneal teratoma compressed the inferior hypogastric plexus which led to the patient's symptoms. ^[21]

Primary Retroperitoneal Teratoma

Primary retroperitoneal teratomas are rare, representing only 1%–11% of primary retroperitoneal neoplasms. ^[1] Primary retroperitoneal teratomas are uncommon in adults and often challenging to treat, given their location and size. ^[2] Primary retroperitoneal teratomas are rare non-seminomatous germ cell tumors that arise from embryonal tissues. ^[3] Primary retroperitoneal teratoma is a tumor originating from each of the three germ cell layers and generally presenting as a large mass in the gonadal and sacrococcygeal region. ^[4] Primary retroperitoneal teratomas are uncommon extragonadal nonseminomatous germ cell tumors that are composed of well differentiated parenchymal tissues which are derived from more than one of the three embryonic germ cell layers. ^[5]

Mature Retroperitoneal Teratoma

Rationale: Giant mature retroperitoneal teratoma of the adrenal region is quite rare in adults. ^[1] Primary mature retroperitoneal teratomas are rare tumors most commonly occurring in adult females. ^[2]