PubMed · 8643276
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D L Cross, C Mixon. 1996. Temporal bone hemangiopericytoma.. https://doi.org/10.1016/s0194-59989670258-9
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We report a case of renal hemangiopericytoma which was incidentally discovered by ultrasonography at a health screening. A 58-year-old man was admitted to our hospital for close examination of the renal tumor. Computed tomography revealed the left renal tumor, 60 x 50 mm in size, which was well enhanced with contrast medium. Magnetic resonance imaging revealed an isointensity mass (T1-weighted) and high-intensity mass (T2-weighted) at the left kidney. Radical nephrectomy was performed on suspicion of left renal cell carcinoma. Histopathological examination revealed renal hemangiopericytoma. The present case is the 7th in the Japanese literature.
The authors present the case history of a haemangiopericytoma patient surviving more than 11 years. First they did a lung resection parallel with transdiaphragmatic liver resection, then, 11 years later, because a massive recurrence developed in the retroperitoneum which threatened with critical haemorrhage, tumor reduction, marsupialization of the connective tissue capsule and open treatment postoperative were performed. The patient survived for the operation for 6 months. They describe the histopathological transformation of the tumour.
A 45-year-old male was admitted with difficulty in walking due to leg pain. At the time of the first visit, a reduced serum phosphorus concentration and an increased serum alkaline phosphatase concentration of unknown etiology were observed. Either a whole body bone scintigraphy or CT of the neck, chest and abdominal region did not reveal any underlying disease. However both the whole body 201Tl scintigraphy and 99mTc MIBI SPECT showed accumulation in the right knee region, and a small tumor was detected by MRI examination. After a diagnosis of oncogenic osteomalacia due to this tumor was determined the tumor was surgically removed, and turned out to be a hemangiopericytoma. By removal of the tumor, either the symptoms or the laboratory data were improved significantly. In this case, both 201Tl scintigraphy and 99mTc scintigraphy MIBI were useful in identifying the location of the tumor which caused oncogenic osteomalacia.