Dermatofibroma classification
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Homa Najafi, M.D.[2]
Overview
There is no established system for the classification of [disease name].
Dermatofibroma may be classified according to [classification method] into [number] subtypes/groups: [group1], [group2], [group3], and [group4].
[Disease name] may be classified into [large number > 6] subtypes based on [classification method 1], [classification method 2], and [classification method 3].
[Disease name] may be classified into several subtypes based on [classification method 1], [classification method 2], and [classification method 3].
Based on the duration of symptoms, [disease name] may be classified as either acute or chronic.
If the staging system involves specific and characteristic findings and features:
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 staging of [malignancy name] is based on the [staging system].
1. Deep penetrating dermatofibroma
2. Atrophic dermatofibroma
3. Aneurysmal fibrous histiocytoma
4. Haemangiopericytoma-like fibrous histiocytoma
5. Palisading cutaneous fibrous histiocytoma
6. Lichenoid, erosive, & ulcerated dermatofibroma
7. Plaque-like dermal fibromatosis, dermatofibroma
Classification
Dermatofibroma may be classified according to histopathology into three subtypes:
- Variants that are prominent in architectural (low-power) properties
- Variants that are prominent in cytologic or stromal (high-power) properties
- Variants that have architectural (low) and cytological or stromal (high-power) properties
| Histopathology varient of dermatofibroma | |||||||||||||||||||||||||||||||||||||
| Variants that are prominent in architectural (low-power) properties | Variants that are prominent in cytologic or stromal (high-power) properties | Variants that have architectural (low) and cytological or stromal (high-power) properties | |||||||||||||||||||||||||||||||||||
| 1. Deep penetrating dermatofibroma
2. Atrophic dermatofibroma 3. Aneurysmal fibrous histiocytoma 4. Haemangiopericytoma-like fibrous histiocytoma 5. Palisading cutaneous fibrous histiocytoma 6. Lichenoid, erosive, & ulcerated dermatofibroma 7. Plaque-like dermal fibromatosis, dermatofibroma | 1. Clear cell dermatofibroma
2. Granular cell dermatofibroma 3. Myofibroblastic dermatofibroma 4. Sclerotic dermatofibroma 5. Keloidal dermatofibroma 6. Atypical/pseudosarcomatous fibrous histiocytoma, dermatofibroma with monster cells 7. Hemosiderrhotic dermatofibroma 8. Cholesterotic/lipidized dermatofibroma 9. Myxoid dermatofibroma 10. Ossifying dermatofibroma 11. Pseudolymphomatous dermatofibroma 12. Dermatofibroma with diffuse eosinophilic infiltrate | 1. Epithelioid cell histiocytoma
2. Cellular benign fibrous histiocytoma 3. Smooth muscle proliferation in dermatofibroma 4. Multinucleate cell angiohistiocytoma 5. Cellular neurothekeoma 6. Combined DF | |||||||||||||||||||||||||||||||||||