Subcutaneous nodules in rheumatic fever are firm, painless lesions that appear under the skin covering joints. Rheumatic fever is an inflammatory condition that can affect the joints, heart, brain, ...

A hemorrhagic ovarian cyst is a type of ovarian cyst that bleeds. Smaller cysts that do not cause symptoms may go away without treatment. However, a person may need surgery to remove a large or ...

A pineal cyst is a benign fluid-filled sac that occurs in the brain’s pineal gland. Although they usually don’t cause symptoms, some people may experience vague symptoms, like a headache. Pineal cysts ...