Non-pancreatic gastrointestinal neuroendocrine tumors (NETs) include a wide group of diseases mainly located in the ileum and appendix and usually with no clinical signs of hormone hypersecretion. At least 140 cases have been reported in the ampulla of Vater, whose symptoms usually derive from ampullar obstruction and include abdominal pain, pancreatitis, jaundice, or gastrointestinal bleeding....

Technologic limitations are sometimes a boon. Whether in medicine or in other areas of science, limitations prompt a search for new and improved solutions. In surgical oncology, once techniques for removal of tumor-bearing cervical lymph nodes became part of standard medical practice, it was important to identify those nodes preoperatively. Clever minds have devised many approaches, but the lar...

In patients with head and neck squamous cell carcinoma (SCC), nodal metastases are an adverse prognostic factor compromising long term patient survival. Therefore, accurate detection of regional nodal metastases is required for optimization of treatment. Computed tomography (CT) and magnetic resonance imaging (MRI) remain the primary imaging modalities for locoregional staging of head and neck ...

We present the case of a 75-year-old woman with a history of insulin-dependent diabetes mellitus, arterial hypertension, dyslipidemia and serious congestive heart failure. She consulted in the emergency department due to a tumour in the left submaxillary region which had developed over more than 4 months, with progressive growth and considered to be an adenophlegmon, treated with amoxicillin an...

A 77-year-old Japanese man living in Brazil for 70 years presented with a 6-month history of progressive dyspnea, weight loss (30 lb), low-grade fever, dry cough, and dry mouth. His medical history revealed hypertension and type 2 diabetes. He was a 40-pack-year ex-smoker and had worked in agriculture. Physical examination revealed bibasilar inspiratory crackles and enlarged (1 cm in diameter),...

purpose: to describe a patient with eyelid sarcoidosis. case report: a 54 year-old patient was referred for an eyelid mass from 6 months ago.excisional biopsy showed inflammatory granuloma with tuton gaint cells. chest radiograph demonstrated bilateral hilar adenopathy, increased absorption on gallium scan was noted and bronchoalveolar lavage confirmed a diagnosis of sarcoidosis. treatment with...

Herpes is one of the most common uncontrolled human viral infections. Despite fact that herpes has been known for more than 2000 years, only in last decade a real possibility organizing effective therapy appeared. Some infected individuals may have mild symptoms form fever, adenopathy, or general infectious manifestations. Usually, HSV1 infection not epidemic and occurs sporadically. In 20-40% ...

Kaposi Sarcoma Inflammatory Cytokine Syndrome (KICS) is a serious, uncommon disease that occurs in patients who are positive for HIV and human herpesvirus-8 (HHV-8). It characterized by constellation of clinical findings, including fever, weight loss, fluid retention, as well lack multicentric Castleman (MCD) features on histopathology an elevated serum HHV-8 viral load. Diagnosis often delayed...