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Fig. 1 | Diagnostic Pathology

Fig. 1

From: Detection of GNAS mutations in intramuscular / cellular myxomas as diagnostic tool in the classification of myxoid soft tissue tumors

Fig. 1

a Shows a hypocellular lesion with small bland cells, with oval nuclei and inconspicuous nucleoli and abundant myxoid stroma. b Embedded in the myxoid matrix are scattered blood vessels and small bland cells. c At the periphery of this lesion muscle fibers are split up by the mucoid matrix. d This lesion shows an increase in cellularity, accompanied by an increase in vascularity and collagenous stroma. e Area with spindled cells showing cytonuclear atypia. f Immunohistochemistry reveals focal CD34 expression

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