Table 2.

Malignant Neoplasms Diagnosed in Persons in the Bloom Syndrome Registry (1954-2022)

Malignancy Type/TissueSubtypeFrequencyAge at Diagnosis (Years)
MedianMeanRange
LeukemiaAcute myeloid2218182-39
Acute lymphoblastic1315184-40
Other/biphenotypic/undefined616184-39
Lymphoma--4223234-49
OropharyngealTongue10394030-48
Pharynx7323430-45
Tonsil439.537.525-46
Other7313025-34
Upper GIEsophageal5393725-48
Gastric7273021-49
Other1NANANA
Colorectal--30363516-49
GenitourinaryCervical5222219-23
Testicular3221910-26
Other6414233-54
Breast--29323318-52
SkinBasal cell18323318-55
Squamous cell (uncategorized)8353425-42
Other/undefined3353425-42
Wilms tumor--9341-11
Lung--436.53632-40
All other--8NANANA

GI = gastrointestinal; NA = not applicable

From: Bloom Syndrome

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