Huge retroperitoneal dedifferentiated liposarcoma presented as acute pancreatitis: report of a case.

[dedifferentiated liposarcoma]

A 74 -year -old male with abdominal pain was admitted to the emergency room in our hospital . The high value of serum amylase was shown in his blood test . The postcontrast computed tomography (CT ) showed the huge retroperitoneal tumor with a thin -walled mass occupying most of the part of the right retroperitoneal space . The tumor spread into the soft tissues around the pancreas ; as a result , the duodenum was compressed and the pancreas was displaced to the right side . The irregular pancreatic outline , obliterated peripancreatic fatty tissue and fluid in the left anterior pararenal space were revealed , so acute pancreatitis was diagnosed . The diagnostic biopsy of retroperitoneal tumor was done , and the pathological findings of retroperitoneal mass revealed dedifferentiated liposarcoma . The medical treatment against acute pancreatitis was performed firstly . After the patient recovered from that , the surgical resection of the tumor with the right kidney and right adrenal gland was completed successfully . The patient remained well , without any evidence of recurrence three months after surgery . However , the histology showed dedifferentiated liposarcoma ; therefore , postoperative regular examination is necessary .

Diseases
Validation

Diseases presenting "abdominal pain" symptom

22q11.2 deletion syndrome

adrenal incidentaloma

alpha-thalassemia

benign recurrent intrahepatic cholestasis

carcinoma of the gallbladder

child syndrome

cholangiocarcinoma

congenital diaphragmatic hernia

cushing syndrome

cutaneous mastocytosis

cystinuria

dedifferentiated liposarcoma

erdheim-chester disease

erythropoietic protoporphyria

fabry disease

familial hypocalciuric hypercalcemia

familial mediterranean fever

focal myositis

liposarcoma

lymphangioleiomyomatosis

malignant atrophic papulosis

pleomorphic liposarcoma

primary effusion lymphoma

primary hyperoxaluria type 1

proteus syndrome

scrub typhus

sneddon syndrome

systemic capillary leak syndrome

typhoid

von hippel-lindau disease

well-differentiated liposarcoma

This symptom has already been validated