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KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
Abbreviations
- Adrenal collision tumor (ACT)
Definitions
- Coexistence of 2 contiguous but histologically different tumors within same adrenal gland
- Not composite tumor (i.e., tumor with intermixed, differing cell types)
IMAGING
General Features
CT Findings
MR Findings
Nuclear Medicine Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
DIAGNOSTIC CHECKLIST
Consider
Selected References
- Zhou C et al: Functional adrenal collision tumor in a patient with Cushing's syndrome. Case Rep Endocrinol. 2020:7415762, 2020
- Akkuş G et al: Diagnostic efficacy of 18F-FDG PET/CT in patients with adrenal incidentaloma. Endocr Connect. 8(7):838-45, 2019
- Cicero G et al: Collision and composition tumors: rare conditions to remember in differential diagnosis of adrenal glands lesions. Quant Imaging Med Surg. 9(11):1902-3, 2019
- Foresti M et al: Adrenal adenoma-hemangioma collision tumor: description of two cases. J Radiol Case Rep. 13(6):1-12, 2019
- Pakalniskis MG et al: Adrenal collision tumour comprised of adrenocortical carcinoma and myelolipoma in a patient with congenital adrenal hyperplasia. J Med Imaging Radiat Oncol. 64(1):67-8, 2019
- Khorsand A et al: Adrenal collision tumor composed of pheochromocytoma and diffuse large B-cell lymphoma: a case report. Int J Hematol Oncol Stem Cell Res. 12(4):249-52, 2018
- Sung CT et al: Collision and composite tumors; radiologic and pathologic correlation. Abdom Radiol (NY). 42(12):2909-26, 2017
- Diolombi ML et al: Diagnostic dilemmas in enlarged and diffusely hemorrhagic adrenal glands. Hum Pathol. 53:63-72, 2016
- Lee HS et al: Adrenal collision tumor: coexistence of pigmented adrenal cortical oncocytoma and ganglioneuroma. Case Rep Surg. 2016:5790645, 2016
- Piotrowski Z et al: Renal cell carcinoma and an incidental adrenal lesion: adrenal collision tumors. Urology. 85(3):e17-8, 2015
- Shida Y et al: Composite pheochromocytoma of the adrenal gland: a case series. BMC Res Notes. 8:257, 2015
- Untch BR et al: Imaging and management of a small cell lung cancer metastasis/adrenal adenoma collision tumor: a case report and review of the literature. World J Surg Oncol. 12:45, 2014
- Katabathina VS et al: Adrenal collision tumors and their mimics: multimodality imaging findings. Cancer Imaging. 13(4):602-10, 2013
- Anderson SB et al: Adrenal collision tumor diagnosed by F-18 fluorodeoxyglucose PET/CT. Clin Nucl Med. 35(6):414-7, 2010
- Blake MA et al: Collision adrenal tumors on PET/CT. AJR Am J Roentgenol. 183(3):864-5, 2004
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Diagnostic Checklist
TERMINOLOGY
Abbreviations
- Adrenal collision tumor (ACT)
Definitions
- Coexistence of 2 contiguous but histologically different tumors within same adrenal gland
- Not composite tumor (i.e., tumor with intermixed, differing cell types)
IMAGING
General Features
CT Findings
MR Findings
Nuclear Medicine Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
DIAGNOSTIC CHECKLIST
Consider
Selected References
- Zhou C et al: Functional adrenal collision tumor in a patient with Cushing's syndrome. Case Rep Endocrinol. 2020:7415762, 2020
- Akkuş G et al: Diagnostic efficacy of 18F-FDG PET/CT in patients with adrenal incidentaloma. Endocr Connect. 8(7):838-45, 2019
- Cicero G et al: Collision and composition tumors: rare conditions to remember in differential diagnosis of adrenal glands lesions. Quant Imaging Med Surg. 9(11):1902-3, 2019
- Foresti M et al: Adrenal adenoma-hemangioma collision tumor: description of two cases. J Radiol Case Rep. 13(6):1-12, 2019
- Pakalniskis MG et al: Adrenal collision tumour comprised of adrenocortical carcinoma and myelolipoma in a patient with congenital adrenal hyperplasia. J Med Imaging Radiat Oncol. 64(1):67-8, 2019
- Khorsand A et al: Adrenal collision tumor composed of pheochromocytoma and diffuse large B-cell lymphoma: a case report. Int J Hematol Oncol Stem Cell Res. 12(4):249-52, 2018
- Sung CT et al: Collision and composite tumors; radiologic and pathologic correlation. Abdom Radiol (NY). 42(12):2909-26, 2017
- Diolombi ML et al: Diagnostic dilemmas in enlarged and diffusely hemorrhagic adrenal glands. Hum Pathol. 53:63-72, 2016
- Lee HS et al: Adrenal collision tumor: coexistence of pigmented adrenal cortical oncocytoma and ganglioneuroma. Case Rep Surg. 2016:5790645, 2016
- Piotrowski Z et al: Renal cell carcinoma and an incidental adrenal lesion: adrenal collision tumors. Urology. 85(3):e17-8, 2015
- Shida Y et al: Composite pheochromocytoma of the adrenal gland: a case series. BMC Res Notes. 8:257, 2015
- Untch BR et al: Imaging and management of a small cell lung cancer metastasis/adrenal adenoma collision tumor: a case report and review of the literature. World J Surg Oncol. 12:45, 2014
- Katabathina VS et al: Adrenal collision tumors and their mimics: multimodality imaging findings. Cancer Imaging. 13(4):602-10, 2013
- Anderson SB et al: Adrenal collision tumor diagnosed by F-18 fluorodeoxyglucose PET/CT. Clin Nucl Med. 35(6):414-7, 2010
- Blake MA et al: Collision adrenal tumors on PET/CT. AJR Am J Roentgenol. 183(3):864-5, 2004
