Stomach Neoplasms
Conditions
Keywords
Diagnosis, Prognosis
Brief summary
To assist postoperative pathological diagnosis and classification of gastric cancer by machine learning; To improve the accuracy of pathological diagnosis of gastric cancer by machine learning; To predict the effectiveness of treatment for gastric cancer by deep learning; To construct a model to predict the survival of gastric cancer patients by multimodal deep learning.
Interventions
All the participants were measured by the whole abdomen contrast-enhanced CT scan.
HE pathological examination was performed on all specimens of enrolled patients.
Sponsors
Study design
Eligibility
Inclusion criteria
* The diagnosis of gastric cancer was confirmed by pathology; * Preoperative enhanced abdominal CT; * Available detailed clinical and pathological data; * Integrated follow-up data.
Exclusion criteria
* The patients had severe underlying disease; * Overall survival was less than 3 months; * No detailed information could be collected.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Texture of nuclei | 1 day | To obtain the texture of nuclei of postoperative H&E stained sections and slides of gastric cancer by deep learning. |
| Nucleus size | 1 day | To obtain the nucleus size of postoperative H&E stained sections and slides of gastric cancer by deep learning. |
| Nucleus shape | 1 day | To obtain the nucleus shape of postoperative H&E stained sections and slides of gastric cancer by deep learning. |
| Distribution of pixel intensity | 1 day | To obtain the distribution of pixel intensity of postoperative H&E stained sections and slides of gastric cancer by deep learning. |
| Maximum diameter of tumor | 1 day | To measure the maximum diameter of tumor on preoperative enhanced abdominal CT of patients with gastric cancer. |
| Growth pattern | 1 day | To assess the growth pattern on preoperative enhanced abdominal CT of patients with gastric cancer, including endophytic, exophytic and mixed. |
| Enhancement pattern | 1 day | To assess the enhancement pattern on preoperative enhanced abdominal CT of patients with gastric cancer, including homogeneous and heterogeneous. |
| Enhancement degree | 1 day | To assess the enhancement degree on preoperative enhanced abdominal CT of patients with gastric cancer, including hypoenhancement, isoenhancement and hyperenhancement. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Overall survival | 1 day | To calculate the overall survival of patients with gastric cancer based on days to death and days to last follow-up. |
| Recurrence/metastasis | 1 day | To calculate the days to recurrence/metastasis of patients with gastric cancer. |
| Survival status | 1 day | To analyze the survival status of patients with gastric cancer, involving dead and alive. |
Countries
China