Sentences with phrase «established by biopsy»

Diagnosis is usually first suggested by the presence of transglutaminase (tTG) autoantibodies, but established by biopsy of the small intestine by upper intestinal endoscopy.

Not exact matches

[6] In the MSLT - 1 trial, patients with isolated nodal recurrence had more total lymph nodes involved by melanoma than patients randomized to SLN biopsy who had a positive biopsy (all of whom were to have CLND; an average of 3.2 lymph nodes involved with metastatic melanoma vs only 1.4 positive nodes, respectively; P <.0001), [2] and were more likely to meet established criteria for adjuvant radiation, [7] which further increases the risk of postoperative lymphedema.

Help establish the diagnosis of prion disease by analyzing cerebrospinal fluid (CSF), blood, and brain tissue obtained either at biopsy or autopsy.

Liver biopsy is usually necessary to establish a definitive diagnosis and can be completed at the time of an exploratory abdominal surgery or by minimally invasive methods (tru cut needle biopsy, laparoscopic surgery).

Confirmatory diagnosis can easily be established by aspiration cytology or by biopsy of the tissue involved.