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Case Reports
. 2011 Sep;5(3):292-5.
doi: 10.1007/s12105-011-0294-7. Epub 2011 Sep 3.

Clinical pathologic conference case 6: infantile myofibroma

James Rokos  1 , Román Carlos, Mário José Romañach
Affiliations
Case Reports

Clinical pathologic conference case 6: infantile myofibroma

James Rokos et al. Head Neck Pathol. 2011 Sep.
No abstract available

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Figures

Fig. 1
Fig. 1
Panoramic radiography of a 5-year-old girl, showing a large well-delimited multilocular radiolucent lesion involving the right angle and ascending ramus of the mandible
Fig. 2
Fig. 2
Macroscopic aspects of the biopsy formed of multiple brownish elastic fragments
Fig. 3
Fig. 3
General microscopic view at low magnification, showing multiple fragments formed by fibrous tissue with areas of hemorrhage (H&E, 40×)
Fig. 4
Fig. 4
Fascicles of spindle cells, hyperchromatic nuclei, and indistinct cytoplasm, permeated by some hypocellular areas (H&E, 100×)
Fig. 5
Fig. 5
Higher magnification of variable densities of spindle cells in longitudinal and transversal sections, exhibiting myofibroblastic morphology and eosinophilic background (H&E, 200×)
Fig. 6
Fig. 6
Tumor cells were strongly positive for smooth muscle actin (IHC, 200×)
Fig. 7
Fig. 7
Most of the tumor cells were positive for muscle-specific actin (HHF-35; IHC, 200×)
Fig. 8
Fig. 8
Many tumor cells were also strongly positive for calponin (IHC, 400×)
See this image and copyright information in PMC

References

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