[Horseshoe kidney, stone disease and prostate cancer: a case presentation]. / Riñón en herradura, enfermedad litiásica y adenocarcinoma de próstata. Presentación de un caso clínico.

The horseshoe kidney is the most common congenital renal fusion anomalies. It occurs in 0.25% of the population, or 1 in every 400 people. It is more frequent in males (ratio 2:1). The most observed complication of horseshoe kidney is stone disease, although there may be others such as, abdominal pain, urinary infections, haematuria, hydronephrosis, trauma and tumours (most commonly associated with hypernephroma and Wilms tumour). We describe a case of a male patient with horseshoe kidney, stone disease and adenocarcinoma of the prostate. One carrier of this condition who suffered a transitional cell carcinoma of the prostate was found in a review of the literature.

[Mucosecretor adenocarcinoma of the lung with pleural involvement presenting as a pneumothorax. Presentation of a clinical case]. / Adenocarcinoma mucosecretor de pulmón con diseminación pleural que se manifiesta con neumotórax. Presentación de un caso clínico.

The combination of a pneumothorax and lung cancer is rare and diagnosis is complex. Clinical suspicion of cancer must be based on radiological findings and the existence of risk factors. We discuss the mechanisms involved in the development of pneumothorax in patients with lung cancer, as well as the clinical significance, the recommended diagnostic approach, and therapeutic guidelines.

[Tumour of the right lung vertex that produced a Pancoast syndrome: description of a case]. / Tumor del vértice pulmonar derecho que produce un síndrome de Pancoast. Descripción de un caso clínico.

We describe a clinical case of an 80 year-old woman, with a history of Alzheimer's disease, who presented with right shoulder pain, numbness and decreased strength in the right arm, with right eye ptosis, cough and dysphagia. The chest X-Ray and thoracic-abdominal computed tomography scan showed a large mass in the upper lobe and apex of the right lung, supraclavicular metastatic lymph nodes. In the fine needle aspiration biopsy: poorly differentiated non-small cell carcinoma. She was referred to Oncology to start chemotherapy treatment.