Multiple Paragangliomas; A: Left suprarenal mass: C/S -encapsulated, grey tan & grey yellow; B: Mass at Aorticbifurcation: C/S -encapsulated, grey brown; C: Tumor with lymphovascular embolization (H&E x100); D: Tumor with characteristic Zell-ballenpattern and hyalinized stroma (H&E x100).

Multiple Paragangliomas; A: Left suprarenal mass: C/S -encapsulated, grey tan & grey yellow; B: Mass at Aorticbifurcation: C/S -encapsulated, grey brown; C: Tumor with lymphovascular embolization (H&E x100); D: Tumor with characteristic Zell-ballenpattern and hyalinized stroma (H&E x100).

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Introduction: Retroperitoneum can show a wide spectrum of diseases, including a variety of rare benign and malignant neoplasms that can be either primary or metastatic. Most retroperitoneal tumors are malignant, and soft tissue sarcomas account for one third of the cases. The most common sarcomas occurring in the retroperitoneum are Liposarcomas, M...

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Context 1
... examination she was found to be hypertensive with ultrasound of abdomen showing two tumors, one in the left suprarenal region and the other at the region of the aortic bifurcation. Both the specimens received were 5x4.5x4cm with cut section showing encapsulation, grey tan and grey yellow areas ( Figure 1A,B). Microscopically the tumors were similar with neoplastic cells arranged in the characteristic Zellballen patterns and also showed lymphovascular emboli in the pericapsular area ( Figure 1C,D). ...
Context 2
... the specimens received were 5x4.5x4cm with cut section showing encapsulation, grey tan and grey yellow areas ( Figure 1A,B). Microscopically the tumors were similar with neoplastic cells arranged in the characteristic Zellballen patterns and also showed lymphovascular emboli in the pericapsular area ( Figure 1C,D). IHC by Chromogranin and Synaptophysin for tumor cells, S-100 for the sustentacular cells. ...
Context 3
... examination she was found to be hypertensive with ultrasound of abdomen showing two tumors, one in the left suprarenal region and the other at the region of the aortic bifurcation. Both the specimens received were 5x4.5x4cm with cut section showing encapsulation, grey tan and grey yellow areas ( Figure 1A,B). Microscopically the tumors were similar with neoplastic cells arranged in the characteristic Zellballen patterns and also showed lymphovascular emboli in the pericapsular area ( Figure 1C,D). ...
Context 4
... the specimens received were 5x4.5x4cm with cut section showing encapsulation, grey tan and grey yellow areas ( Figure 1A,B). Microscopically the tumors were similar with neoplastic cells arranged in the characteristic Zellballen patterns and also showed lymphovascular emboli in the pericapsular area ( Figure 1C,D). IHC by Chromogranin and Synaptophysin for tumor cells, S-100 for the sustentacular cells. ...
Context 5
... examination she was found to be hypertensive with ultrasound of abdomen showing two tumors, one in the left suprarenal region and the other at the region of the aortic bifurcation. Both the specimens received were 5x4.5x4cm with cut section showing encapsulation, grey tan and grey yellow areas ( Figure 1A,B). Microscopically the tumors were similar with neoplastic cells arranged in the characteristic Zellballen patterns and also showed lymphovascular emboli in the pericapsular area ( Figure 1C,D). ...
Context 6
... the specimens received were 5x4.5x4cm with cut section showing encapsulation, grey tan and grey yellow areas ( Figure 1A,B). Microscopically the tumors were similar with neoplastic cells arranged in the characteristic Zellballen patterns and also showed lymphovascular emboli in the pericapsular area ( Figure 1C,D). IHC by Chromogranin and Synaptophysin for tumor cells, S-100 for the sustentacular cells. ...