RestoredCDC.org Comparison

    Original site: www.cdc.gov/dpdx/monthlycasestudies/2009/case248.html | RestoredCDC.org is an independent project, not affiliated with CDC or any federal entity. Visit CDC.gov for free official information. Due to archival on January 6, 2025, recent outbreak data is unavailable. Videos are not restored. Access data.restoredcdc.org for restored data. Use of this site implies acceptance of this disclaimer.
    [More]
    About Us Report Bug Compare Content
  Skip directly to site content Skip directly to search
  Español | Other Languages
    Here's how you know
    An official website of the United States government Here's how you know
        DPDx - Laboratory Identification of Parasites of Public Health Concern
        DPDx - Laboratory Identification of Parasites of Public Health Concern
        Centers for Disease Control and Prevention. CDC twenty four seven. Saving Lives, Protecting People DPDx - Laboratory Identification of Parasites of Public Health Concern
          Search
            Search Menu Navigation Menu
                Submit
    DPDx - Laboratory Identification of Parasites of Public Health Concern
      * Parasites A-Z Index
      * DPDx Case Studies
      * Diagnostic Procedures
              + BACK
                Diagnostic Procedures
          + Blood Specimens
                  o BACK
                    Blood Specimens
                  o BACK
                    Diagnostic Procedures Blood Specimens
              o Safety
              o Specimen Collection
              o Specimen Processing
              o Shipment
              o Staining
              o Microscopic examination
              o Molecular diagnosis
              o Extraction of DNA from blood specimens
              o Detection of parasite antigens
              o Isolation of organisms
              o Special tests
              o Inactivation of Ebola/Marburg for malaria testing
              o DPDx - Laboratory Identification of Parasites of Public Health Concern Home
          + Stool Specimens
                  o BACK
                    Stool Specimens
                  o BACK
                    Diagnostic Procedures Stool Specimens
              o Safety
              o Specimen Collection
              o Specimen Processing
              o Shipment
              o Staining
              o Microscopic examination
              o Detection of parasite antigens
              o Molecular diagnosis
              o Extraction of Parasite DNA from Fecal Specimens
              o Morphologic comparison of intestinal parasites
              o DPDx - Laboratory Identification of Parasites of Public Health Concern Home
          + Serum/Plasma Specimens
                  o BACK
                    Serumspan>
                    Serum/Plasma Specimens
                  o BACK
                    Diagnostic Procedures Serumspan>
                    Diagnostic Procedures Serum/Plasma Specimens
              o Safety
              o Specimen Requirements
              o Specimen Submission
              o Detection of Antibodies
              o Antibody Detection Test
              o DPDx - Laboratory Identification of Parasites of Public Health Concern Home
          + Other Specimens
                  o BACK
                    Other Specimens
                  o BACK
                    Diagnostic Procedures Other Specimens
              o Shipment
              o Tissue
              o Tissue specimens for free-living amebae(FLA)
              o Isolation of Leishmania organisms
              o Sputum
              o Aspirates
              o Sputum, induced sputum, and bronchoalveolar avage (BAL)
              o Vaginal swabs for diagnosis
              o Procedure for demonstration of pinworm eggs
              o Urine
              o Whole Organisms
              o DPDx - Laboratory Identification of Parasites of Public Health Concern Home
          + DPDx - Laboratory Identification of Parasites of Public Health Concern Home
      * Diagnostic Assistance
      * Training
      * Contact Us
      * About Our Division
      * DPDx - Laboratory Identification of Parasites of Public Health Concern Home
          DPDx - Laboratory Identification of Parasites of Public Health Concern
    DPDx - Laboratory Identification of Parasites of Public Health Concern Home
        Case #248 – March, 2009
          Case #248 – March, 2009
        Print
            Related Pages
                A 36-year-old immigrant from Mozambique presented to his health care provider with heartburn and chronic right abdominal pain. All previous ova and parasite (O&P) examinations were negative. An endoscopy was performed, upon which a worm-like object was observed in the ascending colon near the ileocecum. The suspicious object, measuring approximately 7 mm in length, was removed, collected in 10% formalin, and sent to Pathology for work-up. The object was sectioned, stained with hematoxylin and eosin (H&E) and reviewed by the attending pathologist, who in turn captured the following images and sent them to DPDx for telediagnosis assistance. What is your diagnosis? Based on what criteria?
                    Figure A
                    Figure B
                    Figure C
                    Figure D
                    Figure E
                  Case Answer
                        This was a case of trichuriasis, caused by Trichuris trichiura. Diagnostic features included:
                          * the location in the host (colon).
                          * a marked difference in the size of the anterior and posterior ends of the body (Figure A), with a long, slender anterior end (shown in cross-sections to the left) and a shorter, thicker posterior end (shown as a transverse section to the right).
                          * a thick cuticle with annulations (arrow, Figure B and CU, Figure D).
                          * a thin hypodermis (HY, Figure D) containing nuclei.
                          * the presence of polymyarian muscle cells (PO, Figure D) beneath the hypodermis.
                          * a thick-muscled cloaca (arrow, Figure C).
                          * the presence of bacillary bands (BB, Figure E), a stichocyte (ST, Figure E), and stichosome nucleus (SN, Figure E) in the anterior section of the specimen.
                        Figure B
                        Figure C
                        Figure D
                        Figure E
                        More on: Trichuriasis
                Images presented in the DPDx case studies are from specimens submitted for diagnosis or archiving. On rare occasions, clinical histories given may be partly fictitious.
                This case and images were kindly provided by the Department of Pathology, Cambridge Health Alliance in Cambridge, MA.
      DPDx is an educational resource designed for health professionals and laboratory scientists. For an overview including prevention, control, and treatment visit www.cdc.gov/parasites/.
      Last Reviewed: August 24, 2016
        Source: National Center for Emerging and Zoonotic Infectious Diseases (NCEZID), Division of Parasitic Diseases and Malaria
        * Facebook
        * Twitter
        * LinkedIn
        * Syndicate
      home DPDx Home
      * Parasites A-Z Index
      * DPDx Case Studies
      * Diagnostic Procedures plus icon
          + Blood Specimens plus icon
              o Safety
              o Specimen Collection
              o Specimen Processing
              o Shipment
              o Staining
              o Microscopic examination
              o Molecular diagnosis
              o Extraction of DNA from blood specimens
              o Detection of parasite antigens
              o Isolation of organisms
              o Special tests
              o Inactivation of Ebola/Marburg for malaria testing
          + Stool Specimens plus icon
              o Safety
              o Specimen Collection
              o Specimen Processing
              o Shipment
              o Staining
              o Microscopic examination
              o Detection of parasite antigens
              o Molecular diagnosis
              o Extraction of Parasite DNA from Fecal Specimens
              o Morphologic comparison of intestinal parasites
          + Serum/Plasma Specimens plus icon
              o Safety
              o Specimen Requirements
              o Specimen Submission
              o Detection of Antibodies
              o Antibody Detection Test
          + Other Specimens plus icon
              o Shipment
              o Tissue
              o Tissue specimens for free-living amebae(FLA)
              o Isolation of Leishmania organisms
              o Sputum
              o Aspirates
              o Sputum, induced sputum, and bronchoalveolar avage (BAL)
              o Vaginal swabs for diagnosis
              o Procedure for demonstration of pinworm eggs
              o Urine
              o Whole Organisms
      * Diagnostic Assistance
      * Training
      * Contact Us
      * About Our Division
          Social_govd Get Email Updates
          To receive email updates about this page, enter your email address:
              Email Address
              What's this?
              Submit
              * About CDC
              * Contact Us
              * 800-232-4636
              Facebook Twitter Instagram LinkedIn Youtube Pinterest Snapchat
              Facebook Twitter Instagram LinkedIn Youtube Pinterest Snapchat RSS
          * CONTACT CDC
                    Contact Us
                    Call 800-232-4636
                    Email Us
          * ABOUT CDC
                  + About CDC
                  + Jobs
                  + Funding
          * POLICIES
                  + Accessibility
                  + External Links
                  + Privacy
                  + Policies
                  + Web Policies
                  + No Fear Act
                  + FOIA
                  + OIG
                  + No Fear Act
                  + Nondiscrimination
                  + Vulnerability Disclosure Policy
                  + CDC Archive
                  + Public Health Publications
                  + HHS.gov
                  + USA.gov
          * CONNECT WITH US
                    + Facebook
                    + Twitter
                    + Instagram
                    + LinkedIn
                    + Youtube
                    + Pinterest
                    + Snapchat
                    + Email
          * LANGUAGES
                  + Español
                  + 繁體中文
                  + Tiếng Việt
                  + 한국어
                  + Tagalog
                  + Русский
                  + العربية
                  + Kreyòl Ayisyen
                  + Français
                  + Polski
                  + Português
                  + Italiano
                  + Deutsch
                  + 日本語
                  + فارسی
                  + English
          * U.S. Department of Health & Human Services
          * Accessibility
          * External Links
          * Privacy
          * Policies
          * Web Policies
          * FOIA
          * OIG
          * No Fear Act
          * FOIA
          * Nondiscrimination
          * OIG
          * Vulnerability Disclosure Policy
          * CDC Archive
          * Public Health Publications
          * HHS.gov
          * USA.gov
        Content Credential
        ×
        This image was edited or created using GenAI (generative artificial intelligence).
        Our experts review all images in an effort to ensure accuracy and quality before use.
        Learn more about CDC's usage of GenAI.