Incidental imaging findings of congenital rib abnormalities: a case series and review of developmental concepts

• Autorzy: Aignatoaei A.M. , Moldoveanu C.E. , Caruntu I.-D. , Giusca S.E. , Partene Vicoleanu S. , Nedelcu A.H.
• Języki publikacji: EN

Abstrakty

EN

Background: Congenital rib abnormalities are found in approximately 2% of the general population. Usually, they occur in isolation and are rarely symptomatic, but they can also be associated with other malformations. Materials and methods: We reviewed imaging examinations performed over a period of 2 years (2014–2015), enabling us to identify isolated rib abnormalities in 6 adult patients. Results: The case series consisted in 3 cases with bilateral cervical ribs and 1 case each with bifid rib, costal fusion and rib pseudarthrosis. In all patients, the costal anomalies were discovered incidentally. All rib malformations were detected at thoracic radiography, except for the rib pseudarthrosis, which was identified at computed tomography (CT) scan. Differential diagnosis was made between cervical ribs and abnormalities of the C7 transverse process and of the first rib, while the other costal malformations were distinguished from tumoural, traumatic or inflammatory lesions of the chest wall, lung and pleura. Considering the existing knowledge on rib development, we suggest a classification of the most common types of rib malformations in three categories: (I) results of homeotic transformation, referring to numerical aberrations; (II) segmentation errors, including costal fusion and bridging; (III) anomalies of resegmentation, resulting in bifid ribs. Conclusions: It is important that radiologists are familiarised with the imaging features of rib abnormalities, since these anomalies can be misinterpreted as lesions with different implications. We are convinced that the developmental classification proposed in this paper can contribute to a better understanding of this pathology. (Folia Morphol 2018; 77, 2: 386–392)

• Wydawca: -
• Czasopismo: Folia Morphologica
• Rocznik: 2018
• Tom: 77
• Numer: 2
• Opis fizyczny: p.386–392,fig.,ref.

Twórcy

autor

Aignatoaei A.M.

• Department of Pathology, “Sf. Spiridon” Clinic Hospital, 1, Independentei Square, Iasi, Romani

autor

Moldoveanu C.E.

• Department of Radiology, Pneumology Clinic Hospital, 30, dr. Iosif Cihac Street, Iasi, Romania

autor

Caruntu I.-D.

• Department of Morphofunctional Sciences, “Grigore T. Popa” University, 16, University Street, Iasi, Romania

autor

Giusca S.E.

• Department of Morphofunctional Sciences, “Grigore T. Popa” University, 16, University Street, Iasi, Romania

autor

Partene Vicoleanu S.

• Department of Morphofunctional Sciences, “Grigore T. Popa” University, 16, University Street, Iasi, Romania

autor

Nedelcu A.H.

• Department of Morphofunctional Sciences, “Grigore T. Popa” University, 16, University Street, Iasi, Romania

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Identyfikatory

DOI

10.5603/FM.a2017.0080