in a blue-fronted Amazon parrot (Amazona aestiva).
In this case report, we describe our procedure for performing RFA of a metacarpal osteoid osteoma
without damage to adjacent tissues.
of the middle ear presenting with the Tullio phenomenon.
: It is commonly found in young men in their 2nd or 3rd decades of life but is rarely seen in older patients.5 It can be present in any bone (cortical or cancellous) but commonly involves lower extremity with femur and tibia.
Neoplasm benignum ossium longorum extremitatis inferioris osteoid osteoma
) barely 4 months after the onset of pain.
CT scans show an extensive left osteoma
(B), orbital extension of the lesion (C), and extension of the mass into the orbit and the maxillary sinus (D).
Initial radiographic films (Figure 1) were read as unremarkable; however, given high clinical suspicion of osteoid osteoma
, an MRI was obtained which demonstrated a circular hypointense lesion along the dorsal aspect of the trapezium (Figure 2) suspicious for an osteoid osteoma
Histopathologically, the periphery of the cementum-like tissue presents more active growth, and sometimes, resembles osteoblastoma, osteoid osteoma
, or atypical osteosarcoma, which are not distinctively related to tooth roots, and may be difficult to distinguish from these tumors [3, 5].
Axial CT cuts are the imaging modality of choice to identify osteoid osteoma
. Kaste et al.
These reports suggested that the eccentric area could be an osteoid osteoma
or a NOF.
Some secondary reasons have been reported: herpes zoster, temporomandibular joint dysfunction, nasopharyngeal carcinoma, petrous bone osteoma
, and neuroborreliosis (5,6).
offer a detailed discussion of their use of ranibizumab to treat secondary choroidal neovascularization in a rare case of choroidal osteoma