Imaging Findings of the Unusual Presentations, Associations and Clinical Mimics of Acute Appendicitis

Demir, Mustafa Kemal; Savas, Yildiray; Furuncuoglu, Yavuz; Cevher, Tarik; Demiral, Serdar; Tabandeh, B.; Aslan, Melisa

doi:10.5152/eurasianjmed.2017.17218

Cited by 13 publications

(12 citation statements)

References 18 publications

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“…Ultrasound is typically the first radiologic evaluation for this presentation as it is a faster modality with high sensitivity for appendicitis and typhlitis [7], but considering further characterization of bowel inflammation on CT has been recommended when it does not significantly delay diagnosis. Bowel wall thickening and inflammation of the cecum detected by CT have been proposed as the main criterion to establish the diagnosis of typhlitis [2,4,5,[7][8][9]. The extent of bowel wall thickening is also a valuable prognostic factor, which adversely affects the outcome [9].…”

Section: Discussionmentioning

confidence: 99%

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Typhlitis: A Rare Appendicitis Mimic in a Young Healthy Female

Reyes

Syed

Seen

et al. 2021

Cureus

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Typhlitis, also known as neutropenic enterocolitis, is a rare but serious condition characterized by inflammation of the cecum causing right lower quadrant (RLQ) pain and fever. It typically affects immunocompromised patients with neutropenia, hematologic malignancies, AIDS, or those on immunosuppressive therapy. This is an entity that should be considered in any differential for a patient with febrile RLQ pain, not just those with obvious immunosuppression.

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Section: Discussionmentioning

confidence: 99%

“…Treatment consists of IV antibiotics and bowel rest. Surgery is considered for complications related to necrosis [ 5 , 6 ].…”

Section: Discussionmentioning

confidence: 99%

Typhlitis: A Rare Appendicitis Mimic in a Young Healthy Female

Reyes

Syed

Seen

et al. 2021

Cureus

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“…To note would be that in the 40ies, appendix bands were considered the background for familial acute appendicits, syndromicity being also mentioned (Downs, 1942; Gerster, 1915; Oelhafen, 2012). Intestinal obstruction as well as internal herniation, volvulus or, post‐stricture torsion necrosis may occur (Coughlin, 2010; Demir, 2017; Oelhafen, 2012; Singal, 2017). Knots or loops distinct from adhesions (post‐surgery, infectious), or peri‐ileal vitelline vascular remnants (Maeda et al, 2004) are also reported.…”

Section: Discussionmentioning

confidence: 99%

“…Of note would be the persistence of difficulties in appendix surgery, as suggested by several, some recent, publications (Awari et al, 1995; Hedge and Hedge, 2008; Kacprzyk et al, 2020). Appendix bands, considered lesions of uncertain etiology (possibly congenital) may be detected in association with possibly life‐threatening complications such as appendix torsion, intestinal obstruction, and acute appendicitis and abdomen (Demir et al, 2017; Singal et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

Appendix muscle bands, a forgotten entity

Handra‐Luca

2020

Clinical Anatomy

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Introduction Appendix muscle bands (AMB) develop from the appendix muscle layer into the mesoappendix. There are few recent publications on this forgotten entity. The objectives of this study were to assess the morphological features of AMB as detected at microscopy examination of appendectomy specimens. Methods Sixty‐six cases of AMB as detected on appendectomy specimens were assessed for microscopy features on routine hematoxilin and eosin stained tissue slides. The morphological features were analyzed with regard to the main clinico‐pathological parameters. Results AMBs were multiple in 35 cases. Most AMBs were located between the tip and cecal limit, 7 at the tip, and 1 at the cecal limit of the appendectomy specimen. Associated appendix lesions were: acute appendicitis, neuroma, mesoappendix cyst, muscle hiatus, and diverticulae (60,6,2,45, and 1, respectively). In 24 appendices, the AMB developed from the perihiatus muscle. Two microscopy types of AMBs were detected: muscle‐AMB and mesoappendix‐AMB. Conclusion AMB may be detected incidentally at microscopy of appendectomy specimens. Acute appendicitis was associated in most cases, independently on the microscopy type of AMB. Appendix abnormalities as neuroma, mesoappendix cyst, muscle hiatus, and diverticulae can be associated to AMBs.

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“…The incidence rate of acute appendicitis in pregnancy has been reported to be 1:1250 and 1:1500 [8][9][10][11][12][13][14][15]. The possibility of acute appendicitis is higher in the second and third decades of life which are the fertility years [16][17][18].…”

Section: Introductionmentioning

confidence: 99%

Pregnancy and appendicitis: a systematic review and meta-analysis on the clinical use of MRI in diagnosis of appendicitis in pregnant women

2019

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Background: The aim of this systematic review and meta-analysis was to evaluate the clinical use of MRI for the evaluation of acute appendicitis during pregnancy. Methods: The searches were conducted by two independent researchers (MK, MS) to find the relevant studies published from 1/1/2009 until end of 30/12/2018. We searched for published literature in the English language in MEDLINE via PubMed, EMBASETM via Ovid, The Cochrane Library, and Trip database. For literature published in other languages, we searched national databases (Magiran and SID), KoreaMed, and LILACS. The keywords used in the search strategy are Pregnancy [MeSH], Pregnant [MeSH] OR-Magnetic resonance imaging [MeSH] OR-Appendicitis [MeSH] OR-Ultrasound, [MeSH] OR, imaging, MRI [MeSH] OR"،" and Right lower quadrant pain [MeSH]. The risk of bias of every article was evaluated by using QUADAS-2. On the basis of the results from the 2 × 2 tables, pooled measures for sensitivity, specificity, diagnostic odds ratio (DOR), and area under the curves (AUC) along with their 95% confidence intervals (CIs) were calculated using the DerSimonian Lair methodology. Results: As many as 1164 studies were selected. After analyzing the correspondence of the studies with the required criteria, 19 studies were selected for the final review. For appendicitis in pregnancy, the MRI sensitivity was 91.8% at the 95% confidence interval of (95% CI 87.7-94.9%). At the confidence interval of 95%, the specificity was 97.9% (95% CI 0.97.2-100%). The risk of bias in the studies conducted was measured using the QUADAS-2 tool. Conclusion: MRI has high sensitivity and specificity (91.8%, 97.9% respectively) for the diagnosis of acute appendicitis in pregnant patients with clinically suspected appendicitis. It is an excellent imaging technique in many instances, which does not expose a fetus, or the mother, to ionizing radiation, making it an excellent option for pregnant patients with suspected acute appendicitis.

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Imaging Findings of the Unusual Presentations, Associations and Clinical Mimics of Acute Appendicitis

Cited by 13 publications

References 18 publications

Typhlitis: A Rare Appendicitis Mimic in a Young Healthy Female

Typhlitis: A Rare Appendicitis Mimic in a Young Healthy Female

Appendix muscle bands, a forgotten entity

Pregnancy and appendicitis: a systematic review and meta-analysis on the clinical use of MRI in diagnosis of appendicitis in pregnant women

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