ArticleNeurosurgical review2017
Ecchordosis physaliphora: typical and atypical radiologic features.
Article in Neurosurgical review, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed, 48 citations in OpenAlex.
- The developing spheno-occipital skull base: developmental variants and embryologic remnants that mimic pathology in children.Pediatric radiology · 2026Review
- Ecchordosis physaliphora presenting with cerebrospinal fluid leak and meningitis: illustrative case.Journal of neurosurgery. Case lessons · 2026Article
- Enterogenous cyst at the cerebellopontine angle in an adult: the diagnostic challenge in a rare case report.Annals of medicine and surgery (2012) · 2026Article
- Ecchordosis physaliphora of the clivus: a case series and narrative review of the literature.Acta otorhinolaryngologica Italica : organo ufficiale della Societa italiana di otorinolaringologia e chirurgia cervico-facciale · 2025Review
- Case report: Unilateral paralysis of the hypoglossal nerve as the only clinical sign of clivus meningioma - a case report and literature review.Frontiers in oncology · 2024Article
- Bibliometric Insights in Advances of Chordoma: Global Trends and Research Development in the Last Decade.Orthopaedic surgery · 2023Review
- Ecchordosis physaliphora presenting as hypnic headache.The neuroradiology journal · 2023Article
- An Ecchordosis Physaliphora, a Rare Entity, Involving the Central Nervous System: A Systematic Review of the Literature.Neurology international · 2023Review
- Ecchordosis Physaliphora: Does It Even Exist?AJNR. American journal of neuroradiology · 2023Review
- Article
- Endoscopic Endonasal Surgery for Uncommon Pathologies of the Sellar and Parasellar Regions.Advances and technical standards in neurosurgery · 2023Review
- A rare case of pituitary metastasis from hepatocellular carcinoma: case report and literature review.Frontiers in oncology · 2023Review
- A practical overview of CT and MRI features of developmental, inflammatory, and neoplastic lesions of the sphenoid body and clivus.Neuroradiology · 2022Review
- Article
- Intracranial neurenteric cyst: A case report and differential diagnosis of intracranial cystic lesions.Radiology case reports · 2020Article
- Article
- Recent advances in understanding and managing chordomas: an update.F1000Research · 2020Review
- State-of-the-Art Imaging in Human Chordoma of the Skull Base.Current radiology reports · 2018Review
- Role of diffusion-weighted imaging in skull base lesions: A pictorial review.The neuroradiology journal · 2017Review
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Ecchordosis physaliphora (EP) is a distinct clinical entity defined as a notochordal remnant found on the dorsal surface of the clivus, occurring in about 2 % of autopsies. The aim of this study is to introduce typical and atypical imaging features of EP, which can be confused with those of clival chordoma. Forty-one patients with clinical suspicion for clival chordoma visited the outpatient clinic from June 2007 to August 2015. A retrospective review was performed with magnetic resonance imaging (MRI) and computed tomography (CT) studies to revise the diagnosis to EP. Eight of 41 patients (19.5 %) manifested lesions on the dorsal surface of the clivus that were well circumscribed and homogenous, with no septations or osteolysis. The lesions were all hypointense on T1, hyperintense on T2-weighted MRI, and had no enhancement with gadolinium. A distinct T2-hypointense pedicle, which is the hallmark of EP, was seen in five patients (62.5 %) and defined as typical EP. A characteristic T2-hypointense rim was observed in three patients and defined as atypical EP (37.5 %). The mean largest diameter of the lesions was 1.1 cm (0.6-1.8 cm). Lesion size did not change in all the patients who were followed for a mean of 3.6 years (1.4-8.2 years) by separate MRI scans performed every 6 months to 1 year. EP and clival chordoma represent different spectra of the same pathology. As the two lesions have completely different prognoses, precise knowledge of the imaging features of EP is very important. Accurate diagnosis is essential for proper treatment planning.
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