ArticleJournal of computer assisted tomography
Computed Tomography Appearance of Renal Hybrid Oncocytic/Chromophobe Tumors.
Article in Journal of computer assisted tomography. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Birt-Hogg-Dubé: CT characteristics of renal tumors in a rare syndrome.Abdominal radiology (New York) · 2026Article
- Hereditary renal mass syndromes: a pictorial review.Abdominal radiology (New York) · 2025Review
- Synchronous sporadic bilateral multiple chromophobe renal cell carcinoma accompanied by a clear cell carcinoma and a cyst: A case report.World journal of clinical cases · 2020Article
- Article
- Diagnostic Imaging for Solid Renal Tumors: A Pictorial Review.Kidney cancer (Clifton, Va.) · 2018Review
- Renal hybrid oncocytic/chromophobe tumor associated with multiple schwannomas: Case report and literature review.Medicine · 2017Review
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Authors and funding
6 authors.
Funding
Abstract
objectiveA series of renal hybrid oncocytic/chromophobe tumors (HOCTs) was retrospectively assessed for morphologic features and enhancement characteristics by computed tomography (CT). MATERIALS (SUBJECTS) AND
methodsNine patients with pathologically proven HOCTs were identified. These patients harbored a total of 12 lesions. All patients had available preoperative contrast-enhanced CT examinations, although a proportion of the studies had been carried out at outside institutions. The morphologic characteristics and enhancement patterns of each tumor were evaluated systematically.
resultsSeventy-eight percent of the patients were men, with a mean age of 62 years. None of the patients had evidence of metastatic disease at the time of surgery. Mean tumor diameter was 4.4 cm. All the lesions were solid and well circumscribed. Calcifications were not seen in any of these masses. Thirty-three percent of the tumors demonstrated a central stellate hypodensity pattern, whereas a further 42% of the tumors demonstrated a heterogenous appearance. Mean attenuation values were 25.7 HU (noncontrast), 77.4 HU (arterial), 124.8 HU (venous), and 76.8 HU (delayed). Tumor-to-cortex ratios for the 2 enhanced phases (arterial and venous) were 0.56 and 0.79, respectively.
conclusionsA series of HOCTs were found on CT to have 2 distinct patterns-a heterogenous enhancement pattern and an "oncocytoma-like" pattern with a central stellate hypodensity. Although the prospective diagnosis of HOCTs on the basis of CT findings is unlikely, an awareness of the existence of these lesions is important as new means of characterizing renal masses on imaging arise.
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