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Ocular radioimmunoscintigraphy: sensitivity and practical considerations

Journal Article · · J. Nucl. Med.; (United States)
OSTI ID:6924233
; ; ; ; ;

Ocular radioimmunoscintigraphy was performed in 20 patients using /sup 99m/Tc-labeled monoclonal antibody 225.28S, F(ab')2 fragments. Radioimmunoscintigraphy was positive in 13 patients and the diagnosis of ocular melanoma was confirmed by enucleation of the eye or clinical follow-up. Scintigraphy was positive in one patient with lymph node metastasis from an ocular melanoma. In six patients immunoscintigraphy was negative. Using this technique a sensitivity of 92.8% was achieved for detecting ocular melanomas. Single photon emission tomography helped to separate the lesions situated in the nasal quadrant of the eye from the adjacent nasopharyngeal activity. With appropriate imaging techniques small tumors of the order of 3 x 5 x 3 mm could be detected clearly.

Research Organization:
St. Bartholomew's Hospital, London (England)
OSTI ID:
6924233
Journal Information:
J. Nucl. Med.; (United States), Journal Name: J. Nucl. Med.; (United States) Vol. 29:6; ISSN JNMEA
Country of Publication:
United States
Language:
English

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Related Subjects

550601* -- Medicine-- Unsealed Radionuclides in Diagnostics
62 RADIOLOGY AND NUCLEAR MEDICINE
ANTIBODIES
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BODY
BODY AREAS
COMPUTERIZED TOMOGRAPHY
COUNTING TECHNIQUES
DIAGNOSIS
DIAGNOSTIC TECHNIQUES
DISEASES
EMISSION COMPUTED TOMOGRAPHY
EYES
FACE
HEAD
HOURS LIVING RADIOISOTOPES
INTERMEDIATE MASS NUCLEI
ISOMERIC NUCLEI
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
LYMPH NODES
LYMPHATIC SYSTEM
MEDICINE
MELANOMAS
METASTASES
MONOCLONAL ANTIBODIES
NEOPLASMS
NUCLEI
ODD-EVEN NUCLEI
OPHTHALMOLOGY
ORGANS
PATIENTS
RADIOIMMUNOSCINTIGRAPHY
RADIOISOTOPE SCANNING
RADIOISOTOPES
SCINTISCANNING
SENSE ORGANS
SENSITIVITY ANALYSIS
SINGLE PHOTON EMISSION COMPUTED TOMOGRAPHY
TECHNETIUM 99
TECHNETIUM ISOTOPES
TOMOGRAPHY
YEARS LIVING RADIOISOTOPES