Classification template

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Charmaine Patel, M.D. [2]

Introduction to the Classification Page

  • The page name should be "(Disease name) classification", with only the first letter of the title capitalized.
  • Goal: To provide information on any condition-specific schema that may exist.
  • This sub-category may not need its own page. If there is only a small classification schema, it can be included in the pathophysiology microchapter.
  • For an example of a microchapter on classification, click here.
  • As with all microchapter pages linking to the main page, at the top of the edit box put {{CMG}}, your name template, and the microchapter navigation template you created at the beginning.
  • Remember to create links within Wikidoc by placing [[square brackets]] around key words which you want to link to other pages. Make sure you makes your links as specific as possible. For example if a sentence contained the phrase anterior spinal artery syndrome, the link should be to anterior spinal artery syndrome not anterior or artery or syndrome. For more information on how to create links click here.
  • Remember that classification is not the same as natural history of disease. For example, primary, secondary, and tertiary syphilis falls under natural history of disease, as it is the chronological progression of the same illness, whereas hepatic encephalopathy and hypoxic encephalopathy would fall under the classification of encephalopathy.
  • Remember to follow the same format and capitalization of letters as outlined in the template below.
  • You should include the name of the disease in the first sentence of every subsection.

Overview

  • The overview section should include the disease name in the first sentence.
  • The goal is to summarize the page in several sentences, usually stating the categories that the disease is classified by.
  • To see an example, click here.

Template

  • Overview for Classification of Non-Malignant Diseases
  • First Sentence:
[Disease name] may be classified according to [classification method] into [number] subtypes/groups: [group1], [group2], [group3], and [group4].
OR
[Disease name] may be classified into [Large number > 6] subtypes based on [classification method 1], [classification method 2], and [classification method 3].
OR
[Disease name] may be classified into several subtypes based on [classification method 1], [classification method 2], and [classification method 3].
OR
[Disease name] may be classified into acute and chronic forms, depending on the timing of presentation and duration.
  • Examples:
Example 1: Silicosis may be classified according to the duration of exposure, development of symptoms, pulmonary function, and findings on chest imaging into 5 subtypes: simple chronic, interstitial pulmonary fibrosis, accelerated silicosis, and acute silicosis.
Example 2: Legionellosis may be classified according to the affected organ system and the clinical presentation into 3 subtypes: Legionnaires’ disease, Pontiac fever, and extrapulmonary infection.
Example 3: Diffuse large B cell lymphoma may be classified into 14 subtypes based on immunophenotyping/genetic testing.
Example 4: Diffuse large B cell lymphoma may be classified into several subtypes based on immunophenotyping and genetic testing.
Example 5: Mediastinitis may be classified into acute and chronic forms, depending on the timing of presentation and duration.
  • Additional Sentences
Other variants of [disease name] include [disease subtype 1], [disease subtype 2], and [disease subtype 3].
  • Examples:
Other variants of cholecystitis include xanthogranulomatous cholecystitis, emphysematous cholecystitis, eosinophilic and lymphoeosinophilic cholecystitis.


  • Overview for Staging of Malignant Diseases
  • First Sentence:
According to the [Staging system], there are [number] stages of [malignancy name] based on the [finding1], [finding2], and [finding3]. Each stage is assigned a [letter/number1] and a [letter/number2] that designate the [feature1] and [feature2].
OR
[Disease name] may be classified into [large number > 6] subtypes based on [classification method 1], [classification method 2], and [classification method 3].
OR
The staging of [malignancy] is based on the [staging system].
OR
There is no established system for the staging of [malignancy name].
  • Examples:
Example 1: According to the Ann Arbor Staging System, there are 4 stages of Hodgkin's Lymphoma based on clinical features and findings on imaging. Each stage is assigned one letter and one number that designate the number of involved lymph node regions and the presence/absence of symptoms.
Example 2: The staging of breast cancer is based on the TNM staging system.
Example 3: There is no established system for the staging of acinic cell carcinoma.
  • Additional Sentences
Subtypes of [malignancy] have different staging systems based on the size and growth of the tumor, lymph node involvement, and the presence of metastasis.
  • Examples:
Example 1: Subtypes of brain tumor have different staging systems based on the size and growth of the tumor, lymph node involvement, and the presence of metastasis.

Classification

  • In this section you can simply list the categories that the disease can be classified under, and give a brief description of each. The disease may be able to be classified at a pathological level based on its manifestations or appearance.
  • If the disease is classified under multiple categories, you may want to make a few sub-headings with the titles "Classification Based On..." For an example of a page with multiple classification schemes, click here.

Staging of malignant diseases

  • For malignant diseases with classification based on staging systems, use the template shown below when adding content to the classification page.
  • Insert a table that includes the different stages and a definition of each stage. The table may be either elaborate or simple, depending on how elaborate or simple the staging system is.
  • Provide proper in-text and end-of-text citation for all staging systems to avoid plagiarism.
  • If a malignant disease does not have any staging system, the author should clearly mention that in the Classification page, by writing the following: There is currently no staging system for [Disease name].
  • Note that staging of a malignant disease it NOT synonymous with grading of the disease. Both terms should NOT be used interchangeably.
    • Stage: Describes the spread and extent of the disease, usually based on clinical features and findings on imaging. For example, the TNM (Tumor - Nodes - Metastasis) is a common staging system. The disease stage should be included in the "Stage" microchapter for that disease.
If a Stage microchapter is not present already, create the Stage microchapter yourself (to learn how to create microchapters, click here).
Also, the disease stage is could be included in the Classification page of the disease.
    • Grade: Describes the pathological features (differentiation or rate of growth) of the cancer cells on histopathological analysis. For example, prostate cancers are graded by the Gleason grading system.
The disease grade should always be included in the Pathophysiology page along with the pathological features of the disease on histopathological analysis.
It is also advisable that it is also added to the Classification page for the disease after the staging system.

Template

  • According to the [Staging system + reference], there are [number] stages of [malignancy name] based on the [finding1], [finding2], and [finding3]. Each stage is assigned a [letter/number1] and a [letter/number2] that designate the [feature1] and [feature2]. The stages of [malignancy name] are shown in the table below:

[Insert table here]

<sup>Reference, Year</sup>

Example

  • According to the Ann Arbor Staging System[1], there are 4 stages of Hodgkin's Lymphoma based on clinical features and findings on imaging. Each stage is assigned one letter and one number that designate the number of involved lymph node regions and the presence/absence of symptoms. The stages of Hodgkin's Lymphoma are shown in the table below:
Hodgkin's Lymphoma
Stage Definition
I
II
III
IV

Adapted from the Ann Arbor Staging System, 1989[1]

References

  • References should be cited for the material that you have put on your page. Type in {{reflist|2}}.This will generate your references in small font, in two columns, with links to the original article and abstract.
  • For information on how to add references into your page, click here

Example

  1. 1.0 1.1 Lister TA, Crowther D, Sutcliffe SB, Glatstein E, Canellos GP, Young RC; et al. (1989). "Report of a committee convened to discuss the evaluation and staging of patients with Hodgkin's disease: Cotswolds meeting.". J Clin Oncol. 7 (11): 1630–6. PMID 2809679. 

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