Paragangliomas are rare, typically benign neuroendocrine tumors arising from the paraganglia—a collection of chromaffin cells located outside the adrenal glands. These tumors are closely related…
Murine typhus, also known as endemic typhus or flea-borne typhus, is an infectious disease caused by the bacterium Rickettsia typhi. This bacterial infection primarily spreads…
Microcystic lymphatic malformation (MLM) is a rare congenital condition affecting the lymphatic system. It is characterized by the abnormal development of lymphatic vessels, leading to…
Meningoencephalitis due to Naegleria fowleri is a rare and often fatal brain infection known as Primary Amebic Meningoencephalitis (PAM). Naegleria fowleri is a free-living amoeba…
Malignant neoplasm of the gastroesophageal junction (GEJ) is a severe and aggressive cancer affecting the area where the esophagus meets the stomach. This condition is…
Malignant essential hypertension is a life-threatening form of high blood pressure characterized by a sudden and severe increase in blood pressure levels. This condition can…
Isosporiasis is a parasitic intestinal infection caused by Cystoisospora belli (formerly Isospora belli). It primarily affects the small intestine, leading to persistent diarrhea, dehydration, and…
Ehrlichiosis is a bacterial infection transmitted by tick bites, primarily caused by Ehrlichia chaffeensis, Ehrlichia ewingii, and Ehrlichia muris eauclairensis. These bacteria infect white blood…
Diphyllobothrium infections, commonly referred to as fish tapeworm infections, are caused by cestodes from the Diphyllobothrium genus. These parasites primarily infect humans and other fish-eating…
Acute Staphylococcus aureus otitis externa is a bacterial infection of the outer ear canal caused by the pathogen Staphylococcus aureus. This condition, commonly referred to…