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Multiple Nodules on the Back
Cathy Green, MD, Ninewells
Hospital and Medical School, Dundee, Scotland
Arch Dermatol. 1999;135:341-346.
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| Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings. |
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REPORT OF A CASE
A 19-year-old woman presented with persistent nodular pigmented lesions on the left side of her lower back area that had been present since the age of 3 months. The lesions were sometimes pruritic and caused occasional paresthesia. Treatment with cryotherapy had been unsuccessful.
Examination of the skin revealed a cluster of pink to purple, firm, nontender nodules, some with peripheral hyperpigmentation, on the left lower back area (Figure 1). A biopsy specimen stained with hematoxylin-eosin is shown in Figure 2 and Figure 3. A section stained for factor XIIIa antigen is shown in Figure 4.
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Figure 1.
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Figure 2.
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Figure 3.
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Figure 4.
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What is your diagnosis?
Diagnosis: Multiple dermatofibromas.
The biopsy specimen showed epidermal acanthosis and increased cellularity in the dermis, with a proliferation of stellate fibroblastlike cells. There was an increase in collagen throughout the lesion. The results of staining for factor XIIIa . . . [Full Text of this Article]
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