Guttate Morphea in a 31-year-old Filipino female: A diagnostic challenge in its early stage

ABSTRACT

Introduction@#Morpheq, also known as localized scleroderma, describes a distinctive inflammatory skin disorder that ultimately leads to sclerosis. It is differentiated from systemic scleroderma by the absence of vasculopathy and organ involvement. Initial erythema may precede the sclerotic stage by a few months causing initial diagnostic confusion. High index of suspicion and knowledge of disease evolution are essential. We report a case of morphea and its progression, the diagnostic approach and the importance of early treatment and long-term monitoring. @*Case Summary@#A 3l-year-old Filipino female who presented with multiple erythematous plagues on the trunk and extremities and arthralgia was initially diagnosed with cutaneous drug reaction. Prompt treatment led to partial relief of symptoms. However, two months later, eruption of multiple ivory-white small patches and plaques were noted on the same affected areas prompting an impression of morphea. Serum markers revealed elevated antinuclear antibody levels and negative anti-Scl70/anti-centromere serum autoantibodies. Skin biopsy showed homogenized thick dermal collagen bundles confirming the diagnosis of morphea. Topical therapy with calcipotriol + betamethasone dipropionate ointment showed remarkable improvement with decrease in erythema and softening of the lesions while adjunct narrowband-UVB phototherapy also provided relief due to its ability to reduce collagen synthesis and cytokine production. @*Conclusion@#Morphea may be easily misdiagnosed during the early stages especially if sclerosis ensues late in the disease. Characteristic clinical appearance of erythematous plaques with violaceous borders may not always be present. Histologic examination and serum autoantibodies help exclude other disorders with the same clinical and histopathological spectrum. Treatment is individualized depending on the severity and depth of skin involvement, early treatment and monitoring should be initiated before complications arise.