A rare illness that affects the lymph nodes and other immune-cell structures of the body is referred to as Castleman disease.
Castleman disease is classified as a lymphoproliferative disorder meaning that it involves a proliferation or overgrowth of lymphatic cells. It is also known as giant lymph node hyperplasia and angiofollicular lymph node hyperplasia. Though Castleman disease is similar to cancers of the lymphatic system ... more
Tinea versicolor is characterized by patchy, small discoloration of the skin as a result of a fungal infection. This common disease is also called pityriasis versicolor.
This condition, which is likely to recur in humid and warm weather, is treated with special shampoos, lotions and antifungal creams, but skin color does not regain its homogeneity until some weeks after successful treatment when repigmentation ... more
A bulge or ballooning in a blood vessel in the brain is called brain aneurysm, which looks like a berry hanging on a stem.
A hemorrhagic stroke (bleeding into the brain) can be caused by an aneurysm when it leaks or ruptures, which usually happens in the space between the brain and the thin tissues covering the brain. This type of hemorrhagic stroke is called a subarachnoid hemorrhage. A ruptured aneurysm requires immediate medical ... more
An inflammation of the membranes (meninges) and cerebrospinal fluid surrounding one's brain and spinal cord, which is usually due to the spread of an infection, is called meningitis. The characteristic symptoms of this condition, including a stiff neck, fever and headache, are often triggered by the swelling associated with meningitis.
Bacterial and fungal infections can lead to meningitis, though most cases of meningitis ... more
Nasopharyngeal carcinoma is cancer that occurs in the nasopharynx, which is positioned behind the nose and above the back of the throat.
Although rare in some countries, but nasopharyngeal carcinoma occurs commonly in other countries, such as northern Africa and Asia.
Symptoms of nasopharyngeal carcinoma resemble those of many other conditions and the nasopharynx is not easy to examine; these factors make this ... more
The clouding of the normally clear lens of the eye is referred to as a cataract. Looking through a cloudy lens is similar to trying to see through a frosty or fogged-up window. It may become more difficult to see the expression on a friend's face, drive a car – especially at night – or read, because of clouded vision. Cataracts cause problems with glare and affect distance vision in general; however, they usually don't ... more
