Results 51 to 60 of about 6,682 (214)

Somatostatin receptor scintigraphy with [111In-DTPA-d-Phe1]- and [123I-Tyr3]-octreotide: the Rotterdam experience with more than 1000 patients [PDF]

open access: yes, 1993
Various tumours, classically specified as either neuroendocrine or non-neuroendocrine, contain high numbers of somatostatin receptors, which enable in vivo localization of the primary tumour and its metastases by scintigraphy with the radiolabelled ...
Bakker, W.H. (Willem)   +14 more
core   +1 more source

Interventional oncology in children: Where are we now?

open access: yesJournal of Medical Imaging and Radiation Oncology, EarlyView.
Abstract Paediatric Interventional Oncology (IO) lags behind adult IO due to a scarcity of specific outcome data. The suboptimal way to evolve this field is relying heavily on adult experiences. The distinct tumour types prevalent in children, such as extracranial germ cell tumours, sarcomas, and neuroblastoma, differ strongly from those found in ...
Premal Amrishkumar Patel   +1 more
wiley   +1 more source

The importance of longitudinal evaluation using DAT‐SPECT in organophosphate‐induced toxic parkinsonism

open access: yesPsychiatry and Clinical Neurosciences Reports, Volume 5, Issue 2, June 2026.
We performed longitudinal evaluation using magnetic resonance imaging (MRI) and dopamine transporter single‐photon emission computed tomography (DAT‐SPECT) in a case of organophosphate‐induced toxic parkinsonism. Fluid‐attenuated inversion recovery (FLAIR) images showed bilateral striatal hyperintensity in the acute phase, followed by reduction of ...
Shuhei Nakao   +6 more
wiley   +1 more source

False Positive Radioiodinated Metaiodobenzylguanidine (123I-MIBG) Uptake in Undifferentiated Adrenal Malignant Tumor

open access: yesCase Reports in Oncological Medicine, 2015
123I-Metaiodobenzylguanidine (123I-MIBG) scintigraphy is a widely used functional imaging tool with a high degree of sensitivity and specificity in diagnosis of pheochromocytoma. However, rare cases of false positive reactions have been reported.
Hee Soo Jung   +10 more
doaj   +1 more source

Synchronous bilateral pheochromocytomas and paraganglioma with novel germline mutation in MAX: a case report [PDF]

open access: yes, 2017
BackgroundRecent advance of genetic testing has contributed to the diagnosis of hereditary pheochromocytoma and paraganglioma (PPGL). The clinical characteristics of hereditary PPGL are varying among the types of mutational genes.
Adachi Yayoi   +13 more
core   +2 more sources

Imaging of High‐Risk Neuroblastoma: Recommendations From SIOPEN Radiology and Nuclear Medicine Specialty Committees

open access: yesPediatric Blood &Cancer, Volume 73, Issue 5, May 2026.
ABSTRACT Neuroblastoma is the most common extracranial solid tumor in early childhood. Its clinical behavior is highly variable, ranging from spontaneous regression to fatal outcome despite intensive treatment. The International Society of Pediatric Oncology Europe Neuroblastoma Group (SIOPEN) Radiology and Nuclear Medicine Specialty Committees ...
Annemieke Littooij   +11 more
wiley   +1 more source

Histopathological analysis of spontaneous large necrosis of adrenal pheochromocytoma manifested as acute attacks of alternating hypertension and hypotension: a case report [PDF]

open access: yes, 2016
BACKGROUND: Pheochromocytomas are rare catecholamine-producing neuroendocrine tumors. Hypertension secondary to pheochromocytoma is often paroxysmal, and patients occasionally present with sudden attacks of alternating hypertension and hypotension ...
Hirohiko Kuwano   +14 more
core   +1 more source

A Biochemically “Silent” Aortocaval Paraganglioma in a 19‐Year‐Old Female Causing Intraoperative Hypertensive Crisis: A Rare Case Report

open access: yesClinical Case Reports, Volume 14, Issue 5, May 2026.
ABSTRACT Paragangliomas may appear biochemically silent, yet still behave as functional tumors with severe intraoperative consequences. Normal preoperative catecholamine screening does not exclude the risk of hypertensive crisis during surgery.
Abdul Basit   +5 more
wiley   +1 more source

Regressive Neuroblastoma: Widely Accepted, Underreported Histology

open access: yesClinical Case Reports, Volume 14, Issue 5, May 2026.
Whole‐mount section of the regressed neuroblastoma within the adrenal gland, showing a loose, collagenous, and edematous stroma. ABSTRACT Neuroblastoma accounts for approximately 8% of all pediatric cancers and up to 15% of pediatric cancer‐related deaths in malignant cases; neuroblastoma is the most common malignancy in infancy.
Tom Membrez   +5 more
wiley   +1 more source

Characterization of Atypical Pheochromocytomas with Correlative MRI and Planar/Hybrid Radionuclide Imaging: A Preliminary Study

open access: yesApplied Sciences, 2021
Pheochromocytomas may show atypical imaging findings leading to diagnostic pitfalls. We correlated the results of magnetic resonance imaging (MRI) with those of radionuclide studies in patients with pheochromocytomas.
Roberta Galatola   +12 more
doaj   +1 more source

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