Objective The present study describes the epidemiological profile of patients with colorectal cancer (CRC) from the Hospital de Clínicas de Passo Fundo, Passo Fundo, RS, Brazil, between January 1, 2007 and December 31, 2016. Method Retrospective analysis of secondary data of 1,001 patients from the Hospital Cancer Registry. Results Most subjects were Caucasian males, with a mean age of 63.68 years old. The majority of patients had incomplete elementary education and were married. In addition, 44.5% of the patients had a family history of cancer. Most subjects with a positive past or current history of alcohol intake or smoking were male. The diagnosis was mostly based on anatomopathological findings, with a predominance of adenocarcinomas and upper rectum and distal colon localization. Most lesions were in advanced stages, and the liver was the most common site for metastasis. The predominant treatment was surgery with neoadjuvant/adjuvant therapy. After the first treatment, 49.0% of the patients reported complete remission. The survival rate was 78.8% in 10 months. Conclusion The present research analyzed the profile of CRC patients.

The present study presents the case of a 66-year-old patient diagnosed with prostate adenocarcinoma 4 years earlier and treated with prostatectomy, radiotherapy, chemotherapy and hormone therapy but still displaying high prostate-specific antigen (PSA) levels. The patient complaints were double vision and headaches. Upon physical examination, he displayed 6th cranial nerve paresis and 5th cranial nerve paresthesia. A magnetic resonance imaging (MRI) exam was performed, which revealed a mass on the right trigeminal cave. The patient underwent surgical removal of the tumor, and the pathological analysis of the specimen established metastatic prostate cancer as the diagnosis.Brain metastases from prostate cancer are extremely rare and mark advanced disease, with immune system failure and blood-brain barrier breach. Prostate-specific antigen levels do not correlate with the possibility of metastatic disease. Prostate adenocarcinoma is the histologic type most commonly associated with brain metastases, with the meninges being more frequently affected, followed by the brain parenchyma. The neurological symptoms more often displayed are non-focal, such as headaches and mental confusion. Surgery associated with radiotherapy is the most validated treatment.

RESUMO Objetivo: avaliar se a laparoscopia com lavado peritoneal é superior à tomografia computadorizada para o estadiamento do adenocarcinoma gástrico e se pode modificar a conduta cirúrgica do paciente. Métodos: estudo retrospectivo de 46 pacientes portadores de adenocarcinoma gástrico tratados pela equipe de cirurgia digestiva do Hospital de Clínicas de Passo Fundo (RS), de janeiro de 2015 a dezembro de 2018, e submetidos à laparoscopia com lavado peritoneal pré-operatório. Todos os pacientes foram submetidos ao estadiamento clínico pré-operatório com tomografia computadorizada. Resultados: dos 46 pacientes analisados, a maioria apresentava tumores localizados na cárdia (34,8%), pouco diferenciados (69,6%) e do subtipo células em anel de sinete (65,2%). Em 91,3% deles a tomografia computadorizada não identificou carcinomatose peritoneal ou metástases à distância. Entre estes pacientes com tomografia computadorizada negativa para doença à distância, 21,8% apresentaram lavado peritoneal positivo para células neoplásicas e tiveram suas condutas terapêuticas modificadas. Conclusão: a laparoscopia e o lavado peritoneal alteraram a decisão cirúrgica em 21,8% dos pacientes, proporcionando um estadiamento pré-operatório mais fidedigno no adenocarcinoma gástrico.

Colorectal Cancer is common and it will often present with metastases during the course of the disease and follow-up. Usually metastasis affects liver and lungs, but other organs may also be involved. We report the case of a patient who had cancer in the recto-sigmoid transition in 2002 and had a recurrence 14 years after surgery with metastasis in the uterine body. The patient had the tumor resected and was given adjuvant chemotherapy. It is important to consider this possibility in patients with prior history of neoplasm that presents with abnormal vaginal bleeding.

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Paget's disease most commonly affects the breast. Extramammary involvement is rare, and the most commonly affected sites are the vulva, anus, perianal region, and axilla. The disease may progress to invasive adenocarcinoma or synchronous cancers. Due to the lack of distinctive features and nonspecific presenting symptoms, Paget's disease may be misdiagnosed as other conditions, thus delaying the correct diagnosis. We report a case of extramammary Paget's disease in the perianal region that initially presented as an irregular, circumferential, scaling lesion with eczematous eruptions. Immunology and immunohistochemistry confirmed the diagnosis. Although surgery is the standard treatment, the patient opted for pelvic radiotherapy associated with radiosensitizing chemotherapy.

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Urachal tumor is extremely rare, since it is responsible for about 0.01% of all neoplasms already repeated in the history of clinical oncology, with the adenocarcinoma subtype being the most prevalent. Thus, the present work aims to report a case of a 55-year-old patient diagnosed with urachal tumor, relating the clinical presentation of the case according to current literary data. It was possible to show that such a diagnosis, as well as the institution of a standard treatment, is still a clinical challenge in modern medical practice.