He had a nine year history of a seronegative arthritis affecting his hands, knees, and feet.

Enthesopathy is also sometimes present in association with seronegative spondarthritides.

The following conditions are typically included within the group of seronegative spondylarthropathies:

The incidence of toxoplasmosis in patients who are seronegative for T. gondii is low.

However, Individuals with intracranial lesions and calcifications may be seronegative.

On the other hand, consumption of circulating antibodies cannot be ruled out in the seronegative instances.

It is not known if seronegative myasthenia gravis will respond to standard therapies.

They cannot be identified serologically as they are seronegative.

No initially seropositive subject who subsequently was seronegative in 1978 became positive in 1990 (Table).

Unsuspected primary human immunodeficiency virus type 1 infection in seronegative emergency department patients.

Forty naturally seropositive and 40 seronegative sera were used.

Seronegative secondary syphilis in 2 patients coinfected with human immunodeficiency virus.

Many white Americans become sexually active while seronegative for HSV-1.

Vaccination is recommended also for seronegative sows and boars.

In adults (and perhaps some children), parvovirus B19 can lead to a seronegative arthritis which is usually easily controlled with analgesics.

One study shows some acute-phase seronegative Lyme patients have antibodies bound up in these complexes.

An additional woman, who sought treatment 12 days after assault, was seronegative at that time but not offered nPEP.

Seronegative symmetrical polyarthritis may be associated with pyoderma gangrenosum.

Crohn's disease is associated with a type of rheumatologic disease known as seronegative spondyloarthropathy.

Comparison of mycobacterial lymphadenitis among persons infected with human immunodeficiency virus and seronegative controls.

Though enthesopathy may be seen in the context of advancing age, it is also associated with arthritis such as gout and the seronegative spondyloarthitides.

The TBE virus may be present in a seronegative strain or subtype.

Seronegative spondyloarthritis.

A negative RF does not rule out RA; rather, the arthritis is called seronegative.

Early stages are not clinically obvious, and may be misdiagnosed as (seronegative) rheumatoid arthritis or ankylosing spondylitis.