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Egyptian Journal of Radiology and Nuclear Medicine
Fig. 4 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 4

From: Case series of extradigital glomus tumors: imaging findings, differential diagnosis and radiologic–pathologic correlation

Fig. 4

High-power microscopic view showing A The typical cytologic features of a glomus tumor. Nodular, well-defined and densely cellular lesion with small blood vessels. B Round cells with well-defined margins, eosinophilic cytoplasm and central oval nuclei with heterogeneous chromatin. C Glomus tumor Immunohistochemical analysis. Smooth muscle actin (SMA): Diffuse cytoplasmic positivity. D Collagen IV: Diffuse pericellular deposits. E Angiomatoid glomus tumor. Well-defined subcutaneous lesion with small blood-filled cavities. F Angiomatoid glomus tumor. Densely cellular zones intermixed with blood-filled cavities

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