Dr. Roger S Riley M.D.

Shingles is a contagious viral infection that is caused by the varicella zoster virus, the same virus that causes chickenpox. This virus affects a particular nerve section, causing painful rashes on the skin connected to that particular nerve. The rash normally appears in a form of a band on any...

OverviewA biopsy is a procedure that involves the removal of a sample tissue in the body to examine it closely under a microscope. The tissue is mainly examined to diagnose a certain disease. Some may use a needle or surgical methods to remove any lumps or suspicious nodules in the body. Some...

The treatment options or medications for bladder cancer depend largely on the advancement of cancer. The treatment is different for the early stage non-invasive bladder cancer and the more advanced muscle-invasive bladder cancer.During treatment, all hospitals have multidisciplinary teams (MDTs),...

Dengue Fever is Caused by a VirusDengue fever is a viral disease common to tropical and subtropical countries where the weather is hot and humid for long stretches of the year. There are four strains of the virus - all belonging to the same family - that infect humans with dengue fever. A fifth...

Biopsies may vary differently depending on the type and location of the tissues and how hard are they to obtain. The medical term used to describe such method is “invasiveness.” A less invasive procedure will, for example, take place in a doctor’s office the same day an abnormal tissue is...

Alternative Treatments for CholeraCholera is one of the most dangerous infectious diseases around the world, occurring mostly in Africa and other areas with a similar climate. The infection is mostly found in areas with extraordinarily high populations and poor sanitation services.Cholera is caused...