Anatomical Variations of Nasal Structures in Chronic Rhinosinusitis as Detected by Computed Tomography Scan

Hasan, Omar Adnan; Hassan, Mona; Fawzy, Ehab Kamal; Maarouf, Ahmed Mahmoud

doi:10.12816/0039679

Cited by 6 publications

(5 citation statements)

References 7 publications

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“…13 Though Hasan reported type III being the most common (36.4%) followed by type I (29.5%) and type II (13.6%). 14 In our study, single sphenoid intra-sinus septum (SIS) with two chambers was the most common entity which was observed in 69% sides or in 69% of sphenoid sinuses.…”

mentioning

confidence: 72%

Role of CT-PNS in non-neoplastic sino-nasal diseases: an observational study at tertiary care center in South Gujarat

Patel¹,

Nair²,

Contractor³

et al. 2019

Int J Otorhinolaryngol Head Neck Surg

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Background: Role of CT scan in sinonasal disease is proved by many published articles. Most of them are having small sample size, poorly defined protocol of CT reporting and does not mention the window width and window level of the software. We did this study to include these points and tried to have sample size of at least 200.Methods: 231 patients included in the study. After clinical examination CT PNS was done. A strict protocol was maintained for the timing of CT, window settings (to get highest bony definition) and for the reporting of CT. Results: Few common anatomical variations were agger nasi (61.9%), DNS in 50.6%; concha bullosa (18.6%), paradoxical MT (20.3%), Onodi Cells (21.6%) and Haller cells (11.3%). Most common subtypes amongst some anatomical variations include middle meatal drainage of frontal recess (58.8%), type I frontal cell (7.1%), type I ethmoid roof (48.9%), type I attachment of UP (58.8%) and sellar type of sphenoid pneumatization (68%). CT has 100% sensitivity and specificity in detecting the diseased sinuses correctly. Except from 11.8% cases in which frontal recess drainage could not be assessed, all other anatomical variation were same intra-op as shown by CT. In fungal rhinosinusitis anatomical variations were difficult to detect by CT.Conclusions: This study proves that CT-PNS gives us the detailed and near exact picture of the disease with its extent as well as of existing anatomical variations in non-neoplastic sino-nasal diseases except in FRS cases where in anatomical variations are difficult to analyze.

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mentioning

confidence: 72%

Role of CT-PNS in non-neoplastic sino-nasal diseases: an observational study at tertiary care center in South Gujarat

Patel¹,

Nair²,

Contractor³

et al. 2019

Int J Otorhinolaryngol Head Neck Surg

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“…Patients with one variation were seen in 39 patients (51.3%), while 29 patients (38.2%) had two or more variations [13]. Several studies found a significant relationship between nasal septal deviation and chronic rhinosinusitis [19], [20]. Other studies such as Abdul's study showed that there was no significant relationship between frontal cell type, agger nasi cell, middle concha bullosa and the incidence of frontal rhinosinusitis (p>0, 05) [21].…”

Section: Discussionmentioning

confidence: 97%

Characteristic of Anatomical Variations in Paranasal Sinus CT-Scan of Chronic Rhinosinusitis Patients at the ENT Clinic Prof. Dr. I.G.N.G Ngoerah General Hospital Denpasar in 2021

Sutanegara,

Pradiptha

2023

CLINICMED

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Background: Anatomical variations and pathological processes in the nose and paranasal sinuses have been widely studied by experts. Many anatomical variations cause chronic sinusitis by causing obstruction of the osteomeatal complex (OMC) and influencing mucociliary transport patterns. Methods: This is a retrospective study based on radiology data of all rhinosinusitis cases that performed a computed tomography scan of the paranasal sinuses at Prof. Dr. I.G.N.G Ngoerah General Hospital Denpasar for one year (January 2021 to December 2021). The sample of this study was all rhinosinusitis patients undergoing surgery, both male and female, from January 1 to December 31, 2021. Results: Based on the results of the research data, the highest anatomical variation was concha hypertrophy in as many as 26 people (38.2%). Conclusion: The most common anatomic variation is concha hypertrophy. Preoperative CT scan examination is essential because it can be helpful as navigation for sinus surgeons. Early detection of anatomic variations is the key for surgical planning and the prevention of complications.

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“…The correlation between septal deviation and chronic rhinosinusitis is due to the accumulation of secret in the sinus cavity caused by narrowing of the osteomeatal complex, which obstruct sinus cavity secretion and thus accumulating infection in the sinus cavity which will eventually causes chronic rhinosinusitis [18].…”

Section: Discussionmentioning

confidence: 99%

“…The high incidence of sinusitis that is found in maxillary sinus and ethmoid sinus may happen because the drainage of maxillary sinus, ethmoid sinus, anterior and frontal sinus disembogues through medial meatus. So, when an anomaly happens in the osteomeatal complex, drainage and ventilation disruption on these three sinuses will happen and develop into sinusitis [18,19,16,20].…”

Section: Discussionmentioning

confidence: 99%

Sinonasal Anatomical Variation in Chronic Rhinosinusitis Patients Based on CT Scan Finding

Frinadya¹,

Munir²,

Rambe³

2018

Int. j. health med. sci.

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Sinonasal disease, especially rhinosinusitis, is the most prevalent disease in the Otorhinolaryngology Head and Neck Surgery Department. Different anatomical variations of the lateral walls of nose play important role in contributing to osteomeatal complex obstruction, and drainage and ventilation distruption, which eventually causes inflammation of the sinus mucosa. To discover the characteristics of sinonasal anatomical variations in patients with chronic rhinosinusitis based on their CT scan findings. This is an observative descriptive study using cross-sectional design. All chronic rhinosinusitis patients who came to

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Anatomical Variations of Nasal Structures in Chronic Rhinosinusitis as Detected by Computed Tomography Scan

Cited by 6 publications

References 7 publications

Role of CT-PNS in non-neoplastic sino-nasal diseases: an observational study at tertiary care center in South Gujarat

Role of CT-PNS in non-neoplastic sino-nasal diseases: an observational study at tertiary care center in South Gujarat

Characteristic of Anatomical Variations in Paranasal Sinus CT-Scan of Chronic Rhinosinusitis Patients at the ENT Clinic Prof. Dr. I.G.N.G Ngoerah General Hospital Denpasar in 2021

Sinonasal Anatomical Variation in Chronic Rhinosinusitis Patients Based on CT Scan Finding

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