Results 261 to 270 of about 389,072 (294)

Malignant transformation of osteoblastoma

The Journal of Bone and Joint Surgery. British volume, 1980
A recurrent spinal tumor confidently diagnosed as osteoblastoma eventually terminated as a sclerosing osteoblastic which metastasised nine years after the onset of symptoms.
R, Merryweather, J H, Middlemiss, N G, Sanerkin   +2 more
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Malignant Transformation of Adenolymphomas

Annals of Otology, Rhinology & Laryngology, 1983
Adenolymphoma (Warthin's tumor) is a relatively frequent tumor of the parotid gland with characteristic cytological, histological and clinical features. Malignant transformation of the epithelial component of adenolymphomas is extremely rare and not well documented in the literature.
A S, Krogdahl, P, Bretlau
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Malignant Transformation in Craniopharyngiomas

Neurosurgery, 2014
Craniopharyngiomas are successfully managed with surgery and/or adjuvant chemoradiotherapy but have been documented to undergo malignant transformation (MT), albeit very rarely, with only 23 reported cases. The exact cause and pathogenesis of this MT are unknown, although the literature has suggested a possible correlation with radiotherapy.To review ...
Agbolahan A, Sofela, Samantha, Hettige, Olimpia, Curran, Sanj, Bassi   +3 more
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Malignant transformation of craniopharyngioma

Journal of Clinical Neuroscience, 1999
Craniopharyngioma is a well recognised intracranial tumour; malignant transformation has been rarely described. In that case, malignant change occurred following irradiation for local recurrence and information is not provided on the biological behaviour of the tumour or the response to management.
K, Virik, J, Turner, R, Garrick, J P, Sheehy   +3 more
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Acrokeratosis Verruciformis: Malignant Transformation

Dermatology, 1971
A case of acrokeratosis verruciformis in which squamous carcinoma occurred is described. No previous report of this occurrence could be found. The authors consider acrokeratosis verruciformis as a distinctive disease and not a variation of Darier’s disease.
M, Dogliotti, A, Schmaman
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Malignant Transformation of Angiomyolipoma

Journal of Urology, 1992
Angiomyolipomas are well recognized but uncommon tumors that can involve the kidney. To our knowledge a well documented case of malignant change of angiomyolipoma has never been reported. We report a case of renal angiomyolipoma and leiomyosarcoma with a clearly identified transition of benign to malignant elements seen in the resected tissue.
B A, Lowe, J, Brewer, D C, Houghton, E, Jacobson, T, Pitre   +4 more
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Test Tube Malignant Transformation

Archives of Otolaryngology - Head and Neck Surgery, 1969
ONE MORE step has been taken toward establishing a viral etiology of cancer. Forty years ago at Harvard Medical School your Chief Editor was taught that the existence of a filterable virus that could produce sarcoma, as claimed by Rous was extremely doubtful (personal communication, 1928). Now, from this same institution, Dr. Paul H. Black 1 reports in
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Malignant Transformation of Ectopic Pancreas

Digestive Diseases and Sciences, 2018
Malignant transformation of ectopic pancreas tissue is a diagnostic challenge as clinical symptoms and radiographic features of these tumors are non-specific. Given the rarity of these lesions, it is usually neither suspected nor included in the diagnostic workup of different tumors.
Irina M, Cazacu, Adriana Alexandra, Luzuriaga Chavez, Graciela M, Nogueras Gonzalez, Adrian, Saftoiu, Manoop S, Bhutani   +4 more
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Telomerase and Malignant Transformation

2002
Recent progress in our understanding of the role of telomeres and telomerase in cell proliferation, malignant transformation, and genomic stability has opened new possibilities for cancer diagnosis, detection, and treatment. Novel approaches based on this knowledge are being investigated in different laboratories and are likely to have a significant ...
Jiamei, Yu, Louis, Dubeau
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Transformation of malignant growth

Klinische Wochenschrift, 1971
In the present paper, the distinction of carcinomatous and sarcomatous growth will be discussed at the cellular level.
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