| Circumscribed (plaque) morphea |
| One or more circumscribed patches of skin with sclerotic changes in one anatomic site |
| Involvement is confined to the superficial panniculus (subcutaneous tissue) |
| Generalized morphea |
| Four or more plaques that affect at least two anatomic sites |
| Often located on the trunk or limbs |
| Similar clinical and histologic features as circumscribed morphea |
| Bullous morphea |
| Bullous involvement |
| May occur in other forms of morphea |
| Linear morphea |
| Most common form of morphea in children |
| One 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 |
| Deep morphea |
| Least common form of morphea in children |
| Most disabling form of morphea |
| Primary site of involvement is the panniculus (subcutaneous tissue) |
