The term "inflammatory myofibrohistiocytic proliferation" (IMP) has been proposed to replace the conventional designations of plasma cell granuloma and inflammatory pseudotumor. Three cases of extrapulmonary IMP in children are reported, including an intracerebral lesion which has been formerly undescribed. In children, IMP may be associated with microcytic hypochromic anemia, hypergammaglobulinemia, and high erythrocyte sedimentation rate. In this clinical setting, differentiation of a rapidly growing but benign IMP from a bona fide sarcoma is of paramount importance.

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We report an infant with a mixed Mycoplasma and Ureaplasma brain abscess who was successfully treated with intravenous doxycycline and erythromycin. Therapeutic concentrations of doxycycline were demonstrated in cerebrospinal fluid. This report is evidence of the potential for Mycoplasma and Ureaplasma to produce focal central nervous system infection, as well as meningitis, in neonates and that use of doxycycline can be efficacious in the therapy of such infections.

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The study demonstrated an immediate increase in ATP production and an initial acceleration of callus formation in the fracture healing process, in the presence of NIR.

These data demonstrate that normal kidney growth is age dependent. A rapid but slowly decreasing growth rate during the first 7 months of life is followed by a more constant and lower rate. The data also suggest that unusually rapid growth, such as that which may occur in the normal contralateral kidney in unilateral obstruction, may also be age dependent, exceeding 5.0 mm. per month during the first 7 months of life and 2.0 mm. per month thereafter.

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