| Circumscribed (plaque) morphea |
- 1 or more circumscribed patches of skin with sclerotic changes in 1 anatomic site
- Involvement is confined to the superficial panniculus (subcutaneous tissue)
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| Generalized morphea |
- 4 or more plaques that affect at least 2 anatomic sites
- Often located on the trunk or limbs
- Similar clinical and histologic features as circumscribed morphea
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| Bullous morphea |
- Bullous involvement
- May occur in other forms of morphea
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| Linear morphea |
- Most common form of morphea in children
- 1 or more elongated sclerotic areas of skin
- Lesions are typically asymmetric and oriented along the affected limb
- Associated with growth impairment of the involved extremity
- Lesions on the face or scalp are called en coup de sabre
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| Deep morphea |
- Least common form of morphea in children
- Most disabling form of morphea
- Primary site of involvement is the panniculus (subcutaneous tissue)
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