6 Interesting Facts of Nonfunctioning pancreatic neuroendocrine tumors Nonfunctional pancreatic neuroendocrine tumors are a rare subset of neuroendocrine tumors originating from the ductal epithelial cells of the pancreas Categorized as functional or nonfunctional based on hormone production and clinical manifestations; majority of tumors are nonfunctional May be clinically silent and are usually discovered incidentally during …
5 Interesting Facts of Chronic Pancreatitis Pancreatic damage due to recurrent or persistent inflammation and progressive fibrosis, resulting in loss of both exocrine and endocrine function Like nonfunctioning pancreatic neuroendocrine tumors, may present with nonspecific symptoms (eg, abdominal pain, anorexia, weight loss) Unlike pancreatic neuroendocrine tumors, often associated with steatorrhea Common in patients with chronic …
Normocytic anemia Normocytic anemia is a subset of anemia (ie, low circulating RBC mass or hemoglobin concentration) in which RBCs are of normal size, generally defined in adults as a mean corpuscular volume of 80 to 100 fL Associated with heterogeneous causes, generally classified as hyperproliferative (characterized by an appropriate reticulocytosis) or hypoproliferative (characterized by …
Disorders with cataplexy Cataplexy-like episodes in sleepy or nonsleepy patients (without narcolepsy) Differentiate by involvement of only the lower limbs, triggered by positive and negative emotions Cataplexy-like episodes in psychiatric patients Differentiate by: Prolonged duration Unusual triggers and circumstances Psychiatric history
Disorders with excessive daytime sleepiness Idiopathic hypersomnia Like narcolepsy, patient complains of excessive sleep 10 or more hours of nighttime sleep plus daytime naps (total sleep time typically does not exceed 12 hours on weekdays, but may be as long as 19 hours on weekends or holidays) Differentiate from narcolepsy by: Lack of restive naps …
5 Interesting Facts of Chronic fatigue syndrome Clinically defined by severe, disabling fatigue and a combination of symptoms that prominently feature self-reported impairments in concentration and short-term memory, sleep disturbances, and musculoskeletal pain Impaired memory or concentration; absence of cognitive dysfunction will exclude the diagnosis Other symptoms can include tender cervical or axillary lymph nodes, …
Conditions that can cause unilateral parotid swelling Obstruction due to tumor, stone, or stricture of the duct Tumors May be painless unless advanced and associated with decreased saliva production Definitive diagnosis is with imaging and fine-needle biopsy Stones Associated with dehydration, malnutrition, and poor oral hygiene Definitive diagnosis is with imaging, usually including sialography Strictures Usually …
Conditions that can cause unilateral parotid swelling Read More »