Bullous morphea is a rare variant and is not frequently reported. We present three cases of bullous morphea. Although lymphangiectases have been suggested as the most likely mechanism for the development of the bullae in cases of morphea, none of the cases presented with lymphangiectases. To the contrary, all of our cases showed hemorrhagic content in the bullae, which suggests local trauma as a mechanism involved in bulla formation.
In this report, we review 5 sclerodermiform cutaneous conditions: eosinophilic fasciitis, systemic nephrogenic fibrosis, scleredema, scleromyxedema, and toxic oil syndrome. We emphasize the morphological differences between the conditions and some morphological clues that are important to differential diagnosis.
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