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44 results about "Papillary thyroid cancer" patented technology

Papillary thyroid cancer or papillary thyroid carcinoma is the most common type of thyroid cancer, representing 75 percent to 85 percent of all thyroid cancer cases. It occurs more frequently in women and presents in the 20–55 year age group. It is also the predominant cancer type in children with thyroid cancer, and in patients with thyroid cancer who have had previous radiation to the head and neck. It is often well-differentiated, slow-growing, and localized, although it can metastasize.

Papillary thyroid cancer pathology image classification method based on deep learning

The invention discloses a papillary thyroid cancer pathological image classification method based on deep learning, and mainly solves the problem of poor classification effect on papillary thyroid cancer pathological images in the prior art. According to the scheme, the method comprises the following steps: 1) reading a papillary thyroid cancer pathological section image with an amplification factor of 20, and inputting the papillary thyroid cancer pathological section image into an improved VGG-f convolutional neural network to obtain an attention heat map; 2) normalizing the attention diagram to obtain a discrimination force region position; reading a 40-time amplified thyroid cancer pathological image and obtaining an image block according to the position of the discrimination area; 3)inputting the image blocks into an original VGG-f network, constructing a loss function, and performing supervised training on the network; 4) extracting trained VGG-f network convolution features andperforming classification processing to obtain categories of the image blocks, and 5) judging the categories of the thyroid cancer pathological images according to the categories of the image blocks.The classification accuracy is high, and the method can be used for classifying the thyroid cancer papillary cancer pathological images by a computer.
Owner:XIDIAN UNIV

Ultrasonic image identification method and device for papillary thyroid carcinoma

The invention discloses an ultrasonic image identification method and an ultrasonic image identification device for papillary thyroid carcinoma. The ultrasonic image identification method comprises the step of identifying features of a papillary thyroid carcinoma ultrasonic image to be identified by adopting a pre-established papillary thyroid carcinoma ultrasonic image identification model. The establishment process of the papillary thyroid carcinoma ultrasonic image identification model comprises the steps of: preprocessing papillary thyroid carcinoma ultrasonic images used for deep learning; normalizing the pre-processed papillary thyroid carcinoma ultrasonic images used for deep learning; establishing a convolutional neural network; and training the papillary thyroid carcinoma ultrasonic images used for deep learning after normalization by utilizing the convolutional neural network, so as to obtain the papillary thyroid carcinoma ultrasonic image identification model. The ultrasonic image identification method and the ultrasonic image identification device can perform accurate identification on the features of the papillary thyroid carcinoma ultrasonic image to be identified in the using process, so as to assist the diagnosis of a doctor, reduce the uncertainty of diagnosis and improve the accuracy of the diagnosis.
Owner:GUANGDONG UNIV OF TECH

Manufacturing and diagnosis application of blood micro-molecular metabolin specific chromatogram

The invention relates to the technical field of medical diagnostics. Thyroid tumors can be divided into two types including benign tumors and cancers. The property of a thyroid nodule is difficult to determine clinically; and even if biopsy is carried out, the benign tumors and the cancers are not easy to clearly identify due to thyroid adenomas and focal nodular hyperplasia. The invention provides a blood micro-molecular metabolin specific chromatogram which is used for identifying papillary thyroid carcinomas, benign thyroid tumors and blood of normal people, and a manufacturing method of the blood micro-molecular metabolin specific chromatogram. A micro-molecular metabolin comprises two blood metabolin marks, namely palmityl carnitine and carnitine; the molecular weights of the palmityl carnitine and the carnitine are 400.2634 and 161.20; and corresponding ions detected on a mass spectrum are 404.5532 and 160.7866. A clinical experiment shows that the accuracy of applying a chromatogram formed by a specific value of the two metabolism micro-molecules to judge the thyroid cancer is 74% and the accuracy of judging non-cancer (the benign thyroid tumor and the normal people) is 72.3%. The blood micro-molecular metabolin specific chromatogram disclosed by the invention has the advantage of high sensitivity and can be prepared into a diagnosis kit for screening and auxiliary diagnosis of the thyroid cancer.
Owner:SECOND MILITARY MEDICAL UNIV OF THE PEOPLES LIBERATION ARMY
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