Category: R
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Varicelliform
Resembling the rash of chicken pox.
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Russell’s bodies
Inclusions found in plasma cells in cancer; also called cancer bodies.
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Roseola
Any rose-colored rash, as in measles or roseola infantum. Any rose-colored rash, such as occurs in measles, the secondary stage of syphilis, or in typhoid fever. A skin condition marked by maculae or red spots of varying sizes on the skin; any rose-colored rash. A rash or breakout that is rose-hued. An outdated term for…
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Rosaceae
A skin disease of adults, more often women, in which the blood vessels, especially of the nose, forehead, and cheeks, enlarge, giving the face a flushed appearance. The cause is unknown. Also called acne rosaceae.
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Rifampin
Antibacterial used in the treatment of tuberculosis. Adverse effects include gastrointestinal upsets, discoloration of urine and sweat, and sometimes an influenza-like syndrome and liver toxicity. An antimycobacterial drug. Rifampin (Rifadin) is used to treat active tuberculosis (TB). It works by impairing the synthesis of the RNA (ribonucleic acid) of bacteria responsible for TB. It is…
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Rickettsialpox
Mild, infectious disease caused by Rickettsia akari, transmitted from mice to hu¬ mans by mites. Symptoms include chills, fever, malaise, and chicken pox-like lesions that dry, form scabs, and fall off, leaving no scars. Chloramphenicol or tetracyclines are usually given. An acute, febrile, self-limited disease caused by Rickettsia akari. It is transmitted from the house…
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Rhytidoplasty
Procedure in plastic surgery in which an incision is made near the hairline and excess tissue excised, the face tightened, wrinkles removed, and the skin made to appear firm; also called, colloquially, face lift. The elimination of facial wrinkles by plastic surgery.
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Rhus dermatitis
Type of contact dermatitis resulting from contact with plants of the genus Rhus, including poison ivy, poison oak, and poison sumac. Treatment is with calamine.
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Rhinotomy
Surgical procedure in which an incision is made along one side of the nose to drain accumulated pus.
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Rhinostenosis
Narrowing of the passage in the nasal cavity. Obstruction of the nasal passages.