Definition Lissencephaly, which literally means “smooth brain,” is a rare, gene-linked brain malformation characterized by the absence of normal convolutions (folds) in the cerebral cortex and an abnormally small head (microcephaly). In the usual condition of lissencephaly, children usually have a normal-sized head at birth. In children with reduced head …
Read More »Lymphadenitis – Causes, Treatment, and Prevention.
What is lymphadenitis? Lymphadenitis is the medical term for enlargement in one or more lymph nodes, usually due to infection. Lymph nodes are filled with white blood cells that help your body fight infections. When lymph nodes become infected, it’s usually because an infection started somewhere else in your body. …
Read More »Dermatomyositis- Overview, Pathophysiology and Causes
Definition Dermatomyositis is one of a group of muscle diseases known as the inflammatory myopathies, which are characterized by chronic muscle inflammation accompanied by muscle weakness. Dermatomyositis’ cardinal symptom is a skin rash that precedes, accompanies, or follows progressive muscle weakness. The rash looks patchy, with purple or red discolorations, …
Read More »Pemphigus Vulgaris- Overview, Symptoms and Causes
Definition Pemphigus Vulgaris is an autoimmune disorder that involves blistering and erosion of the skin and mucous membranes. It occurs almost exclusively in middle-aged or older people. The primary lesion of pemphigus vulgaris is a soft blister filled with clear fluid that appears on healthy or irritated skin. Many cases …
Read More »Perthes Disease – Causes, Symptoms, and Treatment.
Overview – Perthes Disease Perthes disease is a condition of the hip joint that tends to affect children between the ages of three and 11 years. It is also known as Legg-Calve-Perthes disease or coxa plana. The top end of the thigh bone (femur) is shaped like a ball so …
Read More »Nasal Polyps – Overview, Causes, and Prevention.
Overview – Nasal Polyps Nasal polyps are soft, painless, noncancerous growths on the lining of your nasal passages or sinuses. They hang down like teardrops or grapes. They result from chronic inflammation and are associated with asthma, recurring infection, allergies, drug sensitivity or certain immune disorders. Small nasal polyps may …
Read More »Polyarteritis Nodosa (PAN)- Causes, Treatment, and Prevention
Definition Polyarteritis Nodosa (PAN) is a rare disease that results from blood vessel inflammation (“vasculitis”) causing injury to organ systems. The area’s most commonly affected by PAN include the nerves, intestinal tract, heart, and joints. PAN can also affect the blood vessels to the kidney resulting in high blood pressure …
Read More »Reflux laryngitis- Symptoms, Causes and Treatment
Definition Reflux laryngitis or laryngopharyngeal reflux disease also abbreviated LPR. Digestive acid and enzymes flow upward from the stomach through the esophagus to the level of the vocal folds. This is the same process that causes gastroesophageal reflux disease, or GERD, except that otolaryngologists are preoccupied with its effects at …
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