What Is Abscess Formation Causing Lung Cavities? Abscess formation and subsequent lung cavities that develop from necrosis (death) of affected lung tissue constitute severe life-threatening respiratory disease of the lung. Q: What is the difference between lung abscess and lung ...
Read More »Hair Loss (Diffuse Alopecia): definition
Diffuse alopecia is characterized by abnormal hair loss or baldness.
Read More »Alopecia, Diffuse (Hair Loss): definition
Diffuse alopecia is characterized by abnormal hair loss or baldness.
Read More »Delayed Puberty In Girls
What Is Delayed Puberty In Girls? Delayed puberty in girls is a concerning condition characterized by decreased functional activity of the ovaries resulting in late onset of ovulation and secondary sex characteristics. Q: When should puberty in girls begin? A: ...
Read More »Anemia, Refractory Iron Deficiency In Childhood (Unresponsive To Iron)
What Is Refractory Iron Deficiency Anemia In Childhood? Refractory iron deficiency anemia (IDA) is a microcytic (small cell) type anemia. It is characterized by formation of abnormally small, pale red blood cells and iron depletion, or inadequate iron content in ...
Read More »Failure To Thrive And Growth Retardation
What Is Failure To Thrive And Growth Retardation? Failure to thrive (FTT) and growth retardation are conditions affecting children characterized by weight consistently below the 3rd percentile for age or a decrease in the expected rate of growth based on ...
Read More »Spina Bifida
What Is Spina Bifida? Spina bifida is a congenital defect of neural tube closure and among the commonest and most severe disorders of the fetus and newborn.1 Spina bifida is a defect in the walls of the spinal canal in ...
Read More »Congenital Anomalies
What Are Congenital Anomalies? Congenital anomalies are malformations present in the infant at birth. Q: What anomalies are present at birth? A: Some anomalies are inherited while others are caused by a harmful environmental factor during pregnancy such as diet, ...
Read More »Anemia, Severe Iron Deficiency In Pregnancy
What Is Severe Iron Deficiency Anemia In Pregnancy? Severe iron deficiency anemia in pregnancy is characterized by abnormal formation of small, pale red blood cells that impair the ability of the fetus to obtain adequate oxygen for proper growth and ...
Read More »Pityriasis Rubra Pilaris
What Is Pityriasis Rubra Pilaris? Pityriasis rubra pilaris (PRP) is a chronic generalized exfoliative dermatitis (sloughing skin) characterized by erythema (redness), scaling, dilated plugged hair follicles, and keratoderma (thickened skin) of the hands and feet that is often associated with ...
Read More »Melanoma
What Is Melanoma? Melanoma is a cutaneous malignancy with rapid invasion and metastasis to other parts of the body. Melanoma is characterized by growth from melanocytes appearing as a new mole or enlarging from an exisiting mole, changing shape, size ...
Read More »Cancer, Esophageal Small Cell
What Is Esophageal Small Cell Cancer (Carcinoma)? Esophageal small cell carcinoma is a rare and aggressive malignancy arising in the esophagus with a poor prognosis. Q: Where does the cancer occur in the esophagus? A: Esophageal cancer can occur anywhere in ...
Read More »Cancer Of The Esophagus
What Is Cancer Of The Esophagus? Cancer of the esophagus is a malignancy arising in the stratified squamous cell lining of any part of the esophagus and having a poor prognosis. This tumor first invades the deeper layers of the ...
Read More »Oral Mucosal Lesions, Chronic (Mouth Soreness)
What Are Chronic Oral Mucosal Lesions? Chronic lesions of the oral mucosa are disorders of the mouth that are characterized by soreness and sores of the soft mucosal lining of the mouth. What Are Chronic Oral Mucosal Lesions In Celiac ...
Read More »Cheilosis (Cracks in corners of mouth)
What Is Cheilosis? Cheilosis is a painful feature of nutritional deficiencies, especially riboflavin and/or pyridoxine deficiency, and less frequently, from vitamin B12, folic acid, and iron. It is characterized by redness of the lips with cracking and weeping in the ...
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