Correspondence |

Pretibial Lymphoplasmacytic Plaque in Children

Isabella Fried, MD; Thomas Wiesner, MD; Lorenzo Cerroni, MD
Arch Dermatol. 2010;146(1):95-96. doi:10.1001/archdermatol.2009.341.
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Recently, Gilliam et al1 described 2 young patients with a persistent, reddish-brown pretibial plaque. Based on the presence of numerous polyclonal plasma cells in the infiltration, the authors proposed a diagnosis of isolated cutaneous plasmacytosis.

Gilliam  ACMullen  RHOviedo  G  et al.  Isolated benign cutaneous plasmacytosis in children: two illustrative cases. Arch Dermatol 2009;145 (3) 299- 302
Uhara  HSaida  TIkegawa  S  et al.  Primary cutaneous plasmacytosis: report of three cases and review of the literature. Dermatology 1994;189 (3) 251- 255
Leonard  ALMeehan  SARamsey  DBrown  LSen  F Cutaneous and systemic plasmacytosis. J Am Acad Dermatol 2007;56 (2) ((suppl)) S38- S40
Ramsay  BDahl  MCMalcolm  AJJones  E Wilson Acral pseudolymphomatous angiokeratoma of children. Arch Dermatol 1990;126 (11) 1524- 1525
Kaddu  SCerroni  LPilatti  ASoyer  HPKerl  H Acral pseudolymphomatous angiokeratoma: a variant of the cutaneous pseudolymphomas. Am J Dermatopathol 1994;16 (2) 130- 133
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Figure 1

Persistent, reddish-brown, uneven, irregular plaque on the left anterior tibia of an 11-year-old girl.

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Figure 2

Hematoxylin-eosin–stained biopsy specimens. A, Granulomatous tissue reaction in the entire dermis admixed with lymphocytes and numerous plasma cells (original magnification ×200). B, Dense lymphoid infiltrate in the dermis admixed with numerous plasma cells (original magnification ×400).

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