PMC5311425_01
Numerous erythematous-to-brown macules grouped at the axilla.
gr1.jpg
PMC5311425_01_gr1.jpg
fig1
Clinical examination revealed numerous symmetrically distributed red-to-brown macules, up to 1 cm in diameter in the axillae, groins, and submammary regions (Figs 1 and 2).
Intertriginous maculopapular mastocytosis affecting the submammary region.
gr2.jpg
PMC5311425_01_gr2.jpg
fig2
Clinical examination revealed numerous symmetrically distributed red-to-brown macules, up to 1 cm in diameter in the axillae, groins, and submammary regions (Figs 1 and 2).
Histochemical staining of region affected by intertriginous maculopapular mastocytosis. There is mild acanthosis and a perivascular infiltrate in the superficial dermis staining positive for tryptase. (Original magnification: x40.)
gr3.jpg
PMC5311425_01_gr3.jpg
fig3
Immunohistochemical studies revealed positivity of CD117, CD2, and tryptase (Fig 3).
Reduction in maculopapular mastocytosis lesions at the axilla after 5 months.
gr4.jpg
PMC5311425_01_gr4.jpg
fig4