唾液腺结石演化构象模型数据表

数据集获取（Figshare）

• 源站标题：Table 4_Evolutionary conformation model of salivary gland lithiasis.xls
• DOI：10.3389/froh.2025.1610977.s001
• 发布日期：2025-06-05
• 文件数：1 个
• 文件总体积：423.94 KB
• 源站页面：https://frontiersin.figshare.com/articles/dataset/Table_4_Evolutionary_conformation_model_of_salivary_gland_lithiasis_xls/29243798

命令行下载

curl -L -o "Table 4_Evolutionary conformation model of salivary gland lithiasis.xls" "https://ndownloader.figshare.com/files/55134614"

文件清单

• Table 4_Evolutionary conformation model of salivary gland lithiasis.xls（423.94 KB）

文件总体积 423.94 KB（源站 API 实测）。

数据加载示例（图像类）

from PIL import Image
import glob, os

files = (glob.glob(os.path.join(path, "**", "*.png"), recursive=True)
       + glob.glob(os.path.join(path, "**", "*.jpg"), recursive=True)
       + glob.glob(os.path.join(path, "**", "*.tif"), recursive=True))
print("图像文件数:", len(files))
img = Image.open(files[0]); print("尺寸/模式:", img.size, img.mode)

# torchvision Dataset 方式:
# from torchvision import datasets
# ds = datasets.ImageFolder(path)  # 要求 子目录=类别

目录组织与标注格式以源站说明和下载后实际文件为准。

数据说明

IntroductionSalivary stones, or sialoliths, are calcified concretions forming within salivary glands and their ducts through a two-stage process: an initial formation of a central core via precipitation of inorganic material mediated by organic substances, followed by layering of additional organic and inorganic material. Substrates for sialolith formation include mucoid agglomerates, organic vesicles, foreign bodies, and bacterial biofilms. Understanding the detailed structure of sialoliths may aid in developing specific preventive or therapeutic strategies.
Materials and methodsThis study analyzed 137 sialoliths from 102 patients treated across three university hospitals. Stones were extracted via sialendoscopy, direct extraction, or spontaneous extrusion. Structural and compositional analyses were conducted using scanning electron microscopy (SEM-EDX) and x-ray diffraction (XRD).
ResultsMost sialoliths were from the submandibular gland (82%), with the remainder from the parotid gland (18%). Parotid stones predominantly exhibited irregular shapes, while submandibular stones were generally ellipsoidal. All stones demonstrated an oolitic structure characterized by a central core surrounded by concentric layers and frequently associated with bacteria. Mineral composition predominantly included octacalcium phosphate (OCP), hydroxyapatite, and whitlockite. Larger sialoliths exhibited a higher proportion of hydroxyapatite, indicating increased crystallinity compared to OCP.
DiscussionDespite diverse origins and locations, sialoliths share common morphological and compositional traits. Their formation begins with heterogeneous nucleation of calcium phosphates around organic spherules, likely induced by bacterial biofilms. These initial nuclei aggregate into a central core upon which additional layers of organic and inorganic materials deposit progressively. This layering increases the size and crystallinity of the sialoliths over time. The coexistence of amorphous phases and structural heterogeneity within layers explains the variability among stones. Detailed SEM-EDX analysis supports a unified conformational model for sialoliths that integrates the interplay of org

许可

CC BY 4.0

引用

学术使用请引用 DOI 10.3389/froh.2025.1610977.s001（source: https://frontiersin.figshare.com/articles/dataset/Table_4_Evolutionary_conformation_model_of_salivary_gland_lithiasis_xls/29243798）。