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Biomedical subjects

V Lens

Publications and source records attributed to V Lens.

8 recordsLinked to original sources

[Spontaneous regression of pulmonary metastases in renal cancer].

Spontaneous regression of lung-metastases in kidney cancer (a case report) A case is reported of a 56-year old woman with renal cell carcinoma operated and treated adjuvantly for a year with Interferon alpha. Ten months thereafter the patient had histologically proven a large pulmonary metastatic disease that regressed spontaneously. Duration of the spontaneous remission was 8 months.

Carcinoma, Renal Cell↗

Neurosarcoma of the face: MRI.

Neurosarcoma is a rare tumour originating from the sheath of peripheral nerves. Facial lesions have been reported in about 20 patients. We describe the MRI appearances of neurosarcoma with histological correlation in three patients. The lesions lay in the submandibular region, the left parapharyngeal space and the right orbit. MRI showed a well-defined mass with mixed components. The lesions were moderately heterogeneous on T1-weighted images in two cases and on T2-weighted images in all cases. Gadolinium enhancement occurred in all cases to variable degrees. In two cases, small high signal foci were seen on T2-weighted sequences. MRI appearances of neurosarcoma are not specific.

Adolescent↗

Radiological diagnosis and therapy of pulmonary arteriovenous fistulae in a patient with an atypical clinical history: a case report.

Pulmonary arteriovenous fistulae were first managed nonsurgically by Porstmann in 1977 with homemade metallic coils (1). During the intervening twenty years better catheterization techniques have been developed and our understanding of the clinical outcomings of these lesions has improved. This report discusses the natural history of pulmonary arteriovenous fistulae, including the neurological and other complications, the importance of family screening in the detection of asymptomatic family members, the diagnostic strategy and the description of improved techniques for embolotherapy with stainless steel coils.

Adult↗

[Prostatic leiomyoma].

Large leiomyomas of the prostate are rare tumors. The authors report the case of a 78-year-old patient with two large prostatic leiomyomas who presented with chronic obstructive urinary symptoms. The US and CT aspects are illustrated; the signs are not specific but rather suggest a benign process. The tumor, probably of embryologic origin, must be distinguished from neoplasms when presenting in association with the classical benign prostatic hypertrophy. The definite diagnosis is obtained histopathologically. Prognosis is good with no evidence of recurrent disease.

Aged↗

[Imaging evaluation of an alobar holoprosencephaly with cyclopia].

A case of an alobar holoprosencephaly with cyclopia diagnosed by prenatal ultrasound is reported. At 23 weeks of gestation, abortion was performed. The holoprosencephalic aborted foetus was studied as completely as possible. Skull X-rays, cranial computed tomography, and magnetic resonance images are discussed and compared with the necropsy findings.

Abortion, Therapeutic↗