Diagnostic scanning microscope for information-enriched qualitative histopathology

• US 7,343,033 B2
• Filed: 06/24/2003
• Issued: 03/11/2008
• Est. Priority Date: 06/24/2003
• Status: Expired due to Fees

• Current Assignee: DMetrix, Inc.
• Original Assignee: DMetrix, Inc.
• Inventors: Bartels, Peter H.
• Primary Examiner(s): Ahmed; Samir
• Assistant Examiner(s): Tabatabai; Abolfazl
• Application Number:
  US10/602,756
• Publication Number:
  US 20040264757A1
• Time in Patent Office: 1,722 Days
• Field of Search: 382/128, 382/129, 382/130, 382/131, 382/132, 382/133, 382/134, 382/162, 382/170, 436/63, 436/64, 436/74, 436/164, 436/174, 436/519, 128/902, 128/905, 378/43, 600/427, 977/869, 977/881
• US Class Current: 382/133
• CPC Class Codes: G06V 20/69 Microscopic objects, e.g. biological cells or cellular parts

Abstract

A biological tissue sample is scanned in a single pass to produce an image and corresponding optical-density data. A conventional computerized algorithm is used to identify, isolate and produce segmented images of nuclei contained in the image. The OD values corresponding to nuclear chromatin are used to identify numerical patterns known to have statistical significance in relation to the health condition of the biological tissue. These patterns are analyzed to detect pre-neoplastic changes in histologically normal-appearing tissue that suggest a risk for the development of a pre-malignant and a potentially malignant lesion. This information is then converted to a visually perceptible form incorporated into the image of the tissue sample and is displayed for qualitative analysis by a pathologist.

Claims

1. A method of imaging a biological sample with a microscopic imaging system, comprising the following steps:

(a) imaging the sample to produce a plurality of image-forming signals corresponding to a plurality of pixels on an image of the of image-forming features in said image, wherein said measure is a statistically significant indicator of pathology in portions of said image; and

(c) assigning a visually detectable marker to each of said portions of the image corresponding to image-forming signals that produced said measure;

wherein said image-forming signal is optical density.

2. The method of claim 1, further including the step of combining said marker with the image to produce an information-enriched image.

3. The method of claim 2, wherein said marker is color.

4. The method of claim 1, wherein said marker is color.

5. The method of claim 1, wherein said measure is a statistically significant combination of said optical-density features.

6. The method of claim 5, wherein said marker is color.

7. The method of claim 1, wherein said portions of the image are cell nuclei.

8. The method of claim 1, wherein said microscopic imaging system comprises a plurality of individual miniaturized microscopes in an array microscope.

9. An information-enriched image produced by the method of claim 8.

10. An information-enriched image produced by the method of claim 1.

11. Apparatus far imaging a biological sample with a microscopic imaging system, comprising the following steps:

a light optical microscope;

means for imaging the sample to produce a plurality of image-forming signals corresponding to a plurality of pixels on an image of the sample;

means for analyzing said plurality of image-forming signals to produce a measure of image-forming features in said image, wherein measure is a statistically significant indicator of pathology in portions of said image; and

means for assigning a visually detectable marker to each of said portions of the image corresponding to image-forming signals that produced said measure;

wherein said image-forming signal is optical density.

12. The apparatus of claim 11, further including means for combining said marker with the image to produce an information-enriched image.

13. The apparatus of claim 12, wherein said marker is color.

14. The apparatus of claim 11, wherein said marker is color.

15. The apparatus of claim 11, wherein said measure is a statistically significant combination of said optical-density features.

16. The apparatus of claim 15, wherein said marker is color.

17. The apparatus of claim 11, wherein said portions of the image are cell nuclei.

18. The apparatus of claim 11, wherein said microscopic imaging system comprises a plurality of individual miniaturized microscopes in an array microscope.

19. An information-enriched image produced by the apparatus of claim 18.

20. An information-enriched image produced by the apparatus of claim 11.