Anoscopy is the direct visualization of the anus using a speculum. It is used to screen, diagnose, and evaluate perianal and anal problems….

The Wood’s Light Examination is a useful and inexpensive tool in clinical practice. It is powered by alternating or direct current that converts ultraviolet light into visible light…[..]

Punch biopsy is used for full and partial dermal lesions such as Basal cell carcinoma, Squamous cell carcinoma, Lipomas,Melanomas[…]

Gastric intubation via the nasal passage (i.e., nasogastric route) is a common procedure that provides access to the stomach for diagnostic and therapeutic purposes. […]