Urinary bladder carcinoma initially manifested as brain metastases.
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Biomedical subjects
Publications and source records attributed to M Unda-Urzaiz.
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In the context of a misleading diagnosis of paraurethral abscess, we report a case of unrecognized metastatic squamous cell carcinoma of the male urethra that mimicked a picture of paravertebral abscess with accompanying massive caval vein thrombosis. Fine needle aspiration cytology of both paravertebral abscess and urethral nodule allowed the diagnosis. This report calls the attention of clinicians to think of a malignant process in case of a paravertebral abscess. Fine needle aspiration cytology once more proves a useful tool in the diagnosis of unsuspected malignancies.
Clinico-pathological study of six patients with cerebral metastasis from vesical carcinoma with no prior administration of systemic chemotherapy. In two cases the symptoms of intracranial mass were the initial reason for infiltrant vesical carcinoma examination. Despite the rarity of such occurrence, the possibility of vesical tumours showing in such a way must be taken into account. The singularity of cerebral metastatic seeding throughout the natural history of a vesical neoplasia is analyzed. Also, a review is made of the factors hypothetically responsible for the increase of cerebral metastasis establishment following current chemotherapy.
Kaposi's sarcoma of the penis is an initial manifestation of AIDS and the practising urologist should be aware of this form of presentation. We report 2 young intravenous drug abusers with this tumor in the male genitourinary system. The clinical course is unfavorable; therefore prompt diagnosis and management, based on the early recognition of the lesion, must be achieved.
We present a case of urinary bladder carcinoma in a child aged 13 that followed a benign course. This confirms the idea that epithelial bladder cancer in children pursues, a much less aggressive behaviour than in the adult, possibly on the basis of its well-differentiated nature. Despite the rarity of the lesion, it should not be overlooked in the differential diagnosis of haematuria in children.