Objective: To determine the stage of middle ear cholesteatoma of patients who underwent middle ear surgery at the Southern Philippines Medical Center from January to December 2019, based on European Academy of Otology and Neurotology / Japan Otological Society (EAONO/JOS) system. Methods: Design: Case Series. Setting: Tertiary Government Hospital. Participants: A total of 42 charts were included in the study. Results: Of the 42 cases evaluated, congenital cholesteatoma was seen in 4 while acquired cholesteatoma was noted in 38, (further subdivided into 34 retraction pocket cholesteatoma and 4 non-retraction pocket/traumatic cholesteatoma). A majority (57%) had Stage II cholesteatoma (mass occupying at least two sub-sites in the middle ear) at the time of surgery. Eight (19%) had stage I cholesteatoma (confined to one sub-site), five (12%) had stage III cholesteatoma evidenced by extracranial complications such as subperiosteal abscess and erosion of the semi[1]circular canals. Stage IV cholesteatoma was seen in 5 (12%) presenting with intracranial abscess. Canal wall down mastoidectomy was the most common surgical approach performed. The sinus tympani (S2 ) was the most commonly involved difficult to access site across all classifications of middle ear cholesteatoma (60%). Conclusion Our study provided an initial profile of the stages and severity of middle ear cholesteatoma in our institution based on actual surgical approaches. Such a profile can be the nidus for a database that can help us to understand disease prevalence and compare local surgical practices with those in the international community.
Cholesteatoma ; Cholesteatoma ; Ear, Middle ; Cholesteatoma, Middle Ear

Objective: To determine the correlation between pre-operative in-house temporal bone CT scan readings and intraoperative findings during mastoidectomy for cholesteatoma in a tertiary government hospital from January 2018 to December 2019.

Methods:

Design: Review of Records

Setting: Tertiary Government Hospital

Participants: A total of 25 charts were included in the study. Surgical memoranda  containing intraoperative findings were scrutinized. Data on key structures or locations were  filled into a data gathering tool. Categorical descriptions were used for surgical findings:  "present" or "absent" for location, and "intact" or "eroded" for status of ossicles and critical structures. Radiological readings to describe location and extent of disease were recorded as either "involved" or "uninvolved," while "intact" or "eroded" were used to describe the status of ossicles and critical structures identified. Statistical correlations were computed using Cohen kappa coefficient. Sensitivity, specificity, and predictive values were also computed.

Results: No correlation between radiologic readings and surgical findings were found in terms of location and extent of cholesteatoma (? < 0). However, moderate agreement was noted in terms of status of the malleus (? = .42, 95% CI, .059 to .781, p<.05), substantial agreement noted for the incus status (? = 0.682, 95% CI, .267 to .875, p<.05), and fair agreement noted for the stapes status (? = .303, 95% CI, -.036 to .642, p>.05). Slight agreement was also noted in description of facial canal and labyrinth (? =.01, 95% CI, -.374 to .394, p>.05), while no correlation was noted for the status of the tegmen (? = 0, 95% CI, -.392 to .392, p<.05).

Conclusion: Our study shows the unreliability and shortcomings of CT scan readings in our institution in detecting and predicting surgical findings. An institutional policy needs to be considered to ensure that temporal bone CT scans be obtained using techniques that can appropriately describe the status of the middle ear and adjacent structures with better reliability.

Human ; Male ; Female ; Cholesteatoma ; Temporal Bone ; Tomography