PubMed · 4566187
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D D Leonard. 1973. Starch granulomas.. https://pubmed.ncbi.nlm.nih.gov/4566187/
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OBJECTIVES: To evaluate the diagnostic accuracy of transvaginal sonography (TVS) in detecting uterine cavity abnormalities in infertile patients, with reference to hysteroscopy as the gold standard method. STUDY DESIGN: At the Institute of Obstetrics and Gynaecology, University of Bari, 134 infertile women were investigated with both TVS and hysteroscopy. In all cases endometrial biopsy was performed. Sensitivity, specificity, and positive and negative predictive values were calculated for TVS, considering hysteroscopic diagnosis as the gold standard. Statistical analysis was performed by using McNemar test. RESULTS: There was one failed insertion of hysteroscope. Hysteroscopy diagnosed pathological findings in 58 out of 133 cases (44%). TVS was in agreement with 50 of the 58 (86%) of the pathological findings diagnosed at hysteroscopy. As a test for the detection of uterine cavity abnormalities, TVS in comparison with hysteroscopy had 84.5% sensitivity and 98.7% specificity, 98.0% positive predictive value and 89.2% negative predictive value. CONCLUSIONS: TVS is able to diagnose polyps, septum and submucous fibroids with quite significant accuracy, while hysteroscopy is indicated for their confirmation and removal. Thus, hysteroscopy provides both diagnostic and therapeutic capabilities, but TVS permits to proceed directly to operative hysteroscopy avoiding the need for a separate diagnostic procedure.
The authors describe skin biopsy findings in patients with peripheral neuropathy associated with diabetes and impaired glucose tolerance (IGT). Six patients with IGT, eight with early diabetes-associated neuropathy, and five controls were recruited. Most subjects underwent nerve conduction studies (NCS) and quantitative sensory tests (QST). Skin biopsy was abnormal in all neuropathy subjects and correlated poorly with NCS. Neuropathy associated with IGT primarily affects small fibers and is similar to early diabetes-associated neuropathy.
Recently, a number of refinements in diagnostic modalities for detection of Borrelia burgdorferi infection have been developed. These include large-volume blood cultures, quantitative polymerase chain reaction (PCR) techniques, and 2-stage serologic testing. In the present study, we compared 6 diagnostic modalities in 47 adult patients who had a clinical diagnosis of erythema migrans. Quantitative PCR on skin biopsy-derived material was the most sensitive diagnostic method (80.9%), followed by 2-stage serologic testing of convalescent-phase samples (66.0%), conventional nested PCR (63.8%), skin culture (51.1%), blood culture (44.7%), and serologic testing of acute-phase samples (40.4%). Results of all assays were negative for 3 patients (6.4%). We conclude that the clinical diagnosis of erythema migrans is highly accurate in an area where B. burgdorferi is endemic if it is made by experienced health care personnel, but some patients with this diagnosis may not have B. burgdorferi infection. No single diagnostic modality is suitable for detection of B. burgdorferi in every patient with erythema migrans.