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Results: 3

1.

Cyst

A sac or capsule in the body. It may be filled with fluid or other material. [from NCI]

MedGen UID:
41396
Concept ID:
C0010709
Disease or Syndrome
2.

Synovial Cyst

tumor-like lesions at joints, developed from the SYNOVIAL MEMBRANE of a joint [from CHV]

MedGen UID:
39320
Concept ID:
C0085648
Disease or Syndrome
3.

Lyme arthritis

WHAT: Lyme arthritis. Lyme Arthritis: a viral arthritis characterized by a preceding characteristic rash, erythema chronicum migrans, and typically brief recurrent episodes of asymmetric, pauciarticular swelling and pain primarily involving the larger joints, particularly the knee. The disease is named because of a close geographic clustering of cases seen in Lyme, Connecticut in 1975. WHY: Lyme arthritis can sometimes be confused with rheumatic fever or with pauciarticular juvenile rheumatoid arthritis, and thus must be excluded when diagnosing the two latter diseases. HOW: Lyme arthritis is typically brief (one week) but recurrent. The large joints are usually involved, particularly the knee. When the knee is involved it is usually more swollen than painful. As noted, the distribution of the arthritis tends to be asymmetrical. A rash (erythema chronicum migrans) precedes the development of arthritis, in contrast to the rash (erythema marginatum) seen in rheumatic fever, which accompanies the arthritis of rheumatic fever. Erythema chroni- cum migrans begins as a red macule or papule near the trunk and expands with central clearing to a diameter of up to 50 centimeters. Lyme arthritis is distinguished from pauciarticular JRA by the absence of the iridocyclitis or antinuclear antibodies seen in JRA. Finally, the seasonal onset (peak onset is summer and early fall) and geographic location (most cases seen in Cape Cod, Connecticut or Rhode Island areas) help distinguish this disease. REFS: Steere, AC; Malawista, SE; Snydman, DR; Shope, RE; Andiman, WA; Ross, MR and Steele, FM: Lyme Arthritis: an epidemic of oligo- articular arthritis in children and adults in three Connecticut communities. Arthritis Rheum 20:7, 1977. DN19293-7. [from AIR]

MedGen UID:
66074
Concept ID:
C0242381
Disease or Syndrome

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