Hinyokika kiyo. Acta urologica Japonica
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Review Case Reports
[A case of bladder tumor producing granulocyte-colony stimulation factor and parathyroid hormone-related protein].
A 68-year-old woman presented with urinary pain and frequency. Cystoscopy, intravenous pyelography and magnetic resonance imaging showed a huge bladder mass and hydronephrosis of the left kidney. Transurethral resection of bladder tumor (TUR-Bt) was done. ⋯ The tumor cells were positive for G-CSF and PTH-rP immunohistochemical staining. She died of the disease 46 days after the operation. This is the third case of G-CSF and PTH-rP producing bladder tumor in the literature.
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Review Case Reports
[A case of asymptomatic urachal cyst in autopsy--histopathological study of urachal cyst and review of the literature of 99 cases during a 10 year period in Japan].
Disorders of urachal remnants are common. While urachal cysts are usually asymptomatic, infection may mimic a variety of acute abdomen. Here we report a very rare case of urachal cyst that protruded in the urinary bladder cavity and among 99 accumulated cases, only 4 cases have been reported similar to this case characterized by intravesical development from 1990 to 1999. ⋯ Histopathologically, the cyst wall was thin and consisted of fibrous connective tissue with muscular tissue and peripheral nerve, and lined by cuboidal epithelium but no inflammatory cells could be seen. Urachal cysts occur in both sexes are affected with equal frequency, and frequently occur in a younger population. In clinical symptoms the umbilical manifestations are predominant in patients younger than 30 years old, while the bladder manifestations are predominant in those older than 30.
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A 72-year-old man with back pain on the left side was admitted. Imaging analysis revealed a retroperitoneal mass and a mass in the left iliocostal muscle and the left quadratus lumborum muscle. ⋯ The primary dedifferentiated liposarcoma appeared to have originated from the retroperitoneal space extending into the iliocostal muscle and the quadratus lumborum muscle. Then the mass was thought to have formed accompanied with osteogenesis.