Observational studyBMC medical imaging2026
Very high frequency ultrasonographic characteristics of poroma: a retrospective observational study.
Observational study in BMC medical imaging, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundPoroma is a rare benign skin tumor, diagnostic challenges of which require advanced imaging. Herein we investigate the ultrasonographic manifestations and clinical value of the very high frequency(VHF) ultrasound in the auxiliary diagnosis of Poroma.
methodsClinical data of 24 cases pathologically diagnosed as poroma were retrospectively analyzed by means of high-resolution VHF ultrasound, including size, location, shape, margin, boundary, internal echo and blood flow patterns.
resultsVHF ultrasound examination shows that most poroma are located in the epidermis and dermis. The maximum diameter was 2.6-30 (11.86 ± 6.31) mm. The tumor has clear borders, and the echo intensity of most lesions(22/24) was heterogeneous hypoechoic. Most lesions(18/24) showed small duct-like anechoic areas, 6 lesions(6/24) were detected with punctate calcification. In terms of blood flow, most lesions(18/24) showed abundant blood flow signals, which were dendritic.
conclusionsThe VHF ultrasound lacks specificity in diagnosing poroma and currently makes accurate qualitative diagnosis difficult, but it holds significant value for assessment. It can clearly define the lesion's location, layers, number, size, boundaries, relationship to surrounding structures, and internal blood supply. This provides an objective basis for selecting the next diagnostic or treatment plan, and it can also serve as an evaluation. method for postoperative follow-up.
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