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where are liver stem cells (oval cells) located?
in the canals of hering
what are stained here with an immunohistochemical stain for cytokeratin 7?
bile duct cells and canals of hering
what do the areas of white chalky deposits represent?
foci of fat necrosis
is embolus derived from a lower-extremity deep venous thrombus lodged in a pulmonary artery branch?
yes
how is hyperplasia without atypia characterized?
by nests of closely packed glands
is normal palmar creases present?
no
where is this from?
gastrointestinal system
what is present?
gastrointestinal
what is present?
esophagus
what is present?
varices
what does this image show?
excellent photo typical adenocarcinoma extending through muscularis to serosa
does this image show excellent photo typical adenocarcinoma extending through muscularis to serosa?
yes
does typical tuberculous exudate show excellent photo typical adenocarcinoma extending through muscularis to serosa?
no
what is present?
gastrointestinal
is gastrointestinal present?
yes
is hyperplasia without atypia characterized by nests of closely packed glands?
yes
is mucoepidermoid carcinoma present?
no
what is present?
colon
is colon present?
yes
is edema present?
no
where is this from?
gastrointestinal system
what is present?
gastrointestinal
what is present?
colon
what does this image show?
typical infiltrating adenocarcinoma
does this image show typical infiltrating adenocarcinoma?
yes
does retroperitoneal leiomyosarcoma show typical infiltrating adenocarcinoma?
no
is endoscopic view of a longitudinally-oriented mallory-weiss characterized by nests of closely packed glands?
no
what is present?
gastrointestinal
is gastrointestinal present?
yes
is adrenal present?
no
what is present?
colon
is colon present?
yes
is coronary artery anomalous origin left from pulmonary artery present?
no
where is this from?
gastrointestinal system
what is present?
gastrointestinal
what is present?
colon
what does this image show?
typical histology for colon adenocarcinoma
what is seen as glandular crowding and cellular atypia?
hyperplasia without atypia
does this image show typical histology for colon adenocarcinoma?
yes
does amyloid angiopathy r. endocrine show typical histology for colon adenocarcinoma?
no
what is present?
gastrointestinal
is gastrointestinal present?
yes
is alpha smooth muscle actin immunohistochemical present?
no
what is present?
colon
is colon present?
yes
is lymphangiomatosis present?
no
where is this from?
gastrointestinal system
what is present?
gastrointestinal
what is hyperplasia with atypia seen as?
glandular crowding and cellular atypia
what is present?
colon
what does this image show?
typical excellent pinworm
does this image show typical excellent pinworm?
yes
does acid show typical excellent pinworm?
no
what is present?
gastrointestinal
is gastrointestinal present?
yes
is myocardium present?
no
what is present?
appendix
is appendix present?
yes
is carcinoma metastatic lung present?
no
is hyperplasia with atypia seen as glandular crowding and cellular atypia?
yes
what is present?
pinworm
is pinworm present?
yes
is normal ovary present?
no
where is this from?
gastrointestinal system
what is present?
gastrointestinal
what is present?
appendix
what is present?
pinworm
what does this image show?
trophozoite source
does this image show trophozoite source?
yes
does glomerulosa show trophozoite source?
no
is a binucleate reed-sternberg cell with large, inclusion-like nucleoli and abundant cytoplasm seen as glandular crowding and cellular atypia?
no
what is present?
gastrointestinal
is gastrointestinal present?
yes
is metastatic carcinoma prostate present?
no
what is present?
colon
is colon present?
yes
is appendix present?
no
what is present?
amebiasis
is amebiasis present?
yes
is lymphangiomatosis present?
no
where is this from?
gastrointestinal system
what shows bundles of normal-looking smooth muscle cells?
microscopic appearance of leiomyoma
what is present?
gastrointestinal
what is present?
colon
what is present?
amebiasis
what does this image show?
inclusion bodies
does this image show inclusion bodies?
yes
does atrophy show inclusion bodies?
no
what is present?
gastrointestinal
is gastrointestinal present?
yes
is antitrypsin present?
no
what is present?
stomach
what does the microscopic appearance of leiomyoma show?
bundles of normal-looking smooth muscle cells
is stomach present?
yes
is cranial artery present?
no
what is present?
cytomegalovirus
is cytomegalovirus present?
yes
is acute lymphocytic leukemia present?
no
where is this from?
gastrointestinal system
what is present?
gastrointestinal

Dataset Card for PathVQA

Dataset Description

PathVQA is a dataset of question-answer pairs on pathology images. The dataset is intended to be used for training and testing Medical Visual Question Answering (VQA) systems. The dataset includes both open-ended questions and binary "yes/no" questions. The dataset is built from two publicly-available pathology textbooks: "Textbook of Pathology" and "Basic Pathology", and a publicly-available digital library: "Pathology Education Informational Resource" (PEIR). The copyrights of images and captions belong to the publishers and authors of these two books, and the owners of the PEIR digital library.

Repository: PathVQA Official GitHub Repository
Paper: PathVQA: 30000+ Questions for Medical Visual Question Answering
Leaderboard: Papers with Code Leaderboard

Dataset Summary

The dataset was obtained from the updated Google Drive link shared by the authors on Feb 15, 2023, see the commit in the GitHub repository. This version of the dataset contains a total of 5,004 images and 32,795 question-answer pairs. Out of the 5,004 images, 4,289 images are referenced by a question-answer pair, while 715 images are not used. There are a few image-question-answer triplets which occur more than once in the same split (training, validation, test). After dropping the duplicate image-question-answer triplets, the dataset contains 32,632 question-answer pairs on 4,289 images.

Supported Tasks and Leaderboards

The PathVQA dataset has an active leaderboard on Papers with Code where models are ranked based on three metrics: "Yes/No Accuracy", "Free-form accuracy" and "Overall accuracy". "Yes/No Accuracy" is the accuracy of a model's generated answers for the subset of binary "yes/no" questions. "Free-form accuracy" is the accuracy of a model's generated answers for the subset of open-ended questions. "Overall accuracy" is the accuracy of a model's generated answers across all questions.

Languages

The question-answer pairs are in English.

Dataset Structure

Data Instances

Each instance consists of an image-question-answer triplet.

{
  'image': <PIL.JpegImagePlugin.JpegImageFile image mode=CMYK size=309x272>,
  'question': 'where are liver stem cells (oval cells) located?',
  'answer': 'in the canals of hering'
}

Data Fields

  • 'image': the image referenced by the question-answer pair.
  • 'question': the question about the image.
  • 'answer': the expected answer.

Data Splits

The dataset is split into training, validation and test. The split is provided directly by the authors.

Training Set Validation Set Test Set
QAs 19,654 6,259 6,719
Images 2,599 832 858

Additional Information

Licensing Information

The authors have released the dataset under the MIT License.

Citation Information

@article{he2020pathvqa,
    title={PathVQA: 30000+ Questions for Medical Visual Question Answering},
    author={He, Xuehai and Zhang, Yichen and Mou, Luntian and Xing, Eric and Xie, Pengtao},
    journal={arXiv preprint arXiv:2003.10286},
    year={2020}
}
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