Lung nodules or pulmonary nodules may be routinely discovered on a chest x-ray or thoracic CT scan. A patient may be asymptomatic or sought medical attention for some other condition when a nodule is identified on follow-up imaging studies. Screening may also be done for immigration purposes, where a person from a high >> Read More ...
What is a lung nodule? A lung nodule, also known as a pulmonary nodule, is a a round or opaque opaque mass in the lung that is seen in a chest X-ray or thoracic CT scan. It is more accurately defined as a discrete nodule that is equal to or less than 3 centimeters in diameter. Larger opacities are known as growths or >> Read More ...
An infection of the lung may be due to a number of bacterial and viral causes, with fungal infections being less common and more frequently seen in immunocompromised patients. Lungs infections may be acute, lasting less than 3 weeks or chronic, persisting for more than 3 weeks. Most lung infections start as a respiratory >> Read More ...
The most common type of nasal infection is infectious rhinitis. Viral rhinitis is frequently seen throughout the world and is known by the more widely used term – the common cold. It is an acute infection, with symptoms lasting for about 2 to 3 days, and resolving spontaneously without any treatment. However, an >> Read More ...
A swollen parotid gland may occur for a number of reasons, which may be linked to inflammation of the gland (parotitis) with or without infection, blockage of the duct, chemical toxicity or growths in the parotid gland. Swelling may therefore present with pain and impaired functioning, or at times there may be no other >> Read More ...
Persistent hematuria in middle aged and older patients should always be evaluated for bladder cancer. Any unexplained increase in frequency and irritative symptoms related to passing of urine should be checked for the possibility of the bladder cancer. Read more on bladder cancer symptoms. The evaluation of suspected >> Read More ...
Persistent taste sensations after eating are more often due to foods consumed during the meal. Remnants of food particles adhere to the surface of the tongue, palate, between the teeth and crevices of the oral cavity due to chewing and swallowing. When these food particles mix with saliva in the mouth, it may activate the >> Read More ...
There are five types of hepatitis viruses which cause inflammation of the liver. These viruses are designated as hepatitis A, B, C, D or E, with the hepatitis C virus (HCV) being the more common cause of viral hepatitis. A person may be infected by these viruses through various methods of transmission. This almost always >> Read More ...
The hepatitis A virus or HAV is one of the five types of hepatitis viruses that infects the liver and causes inflammation. It is a highly infectious virus belonging to the picornavirus group of enteroviruses. Although hepatitis A is seen as the one of the least dangerous of the hepatitis viruses, it should not be ignored >> Read More ...
What is bladder cancer? Bladder cancers are malignant tumors arising from the urinary bladder, the hollow reservoir that holds urine exiting the kidney. The most common form of bladder cancer are those that arise from the urothelial lining of the bladder and are known urothelial tumors or transitional cell carcinomas. This >> Read More ...