Urine cytology is a common, non-invasive lab test that looks at cells shed naturally from the lining of the bladder, ureters, and kidneys. Doctors use it to check for possible bladder cancer or other problems in the urinary tract. Many…
Interface dermatitis is a classic histologic pattern that reflects injury at the junction between the epidermis and dermis, also known as the dermoepidermal junction. This region is critical for skin integrity, and when it becomes a target of immune-mediated damage,…
Autoimmune diseases occur when the immune system mistakenly targets the body’s own tissues, leading to chronic inflammation and organ damage. While these conditions are common, diagnosing them is often far from straightforward. Symptoms can overlap, laboratory findings may be nonspecific,…
