The duplication of the short arm of chromosome 7 as de novo is extremely rare. The phenotype spectrum varies depending on the region of duplication. We report a case of de novo duplication of chromosomal region 7p21.1p22.2 in a three-year-old male child with autism who presented to the Sultan Qaboos University Hospital …
Follicular dendritic cell sarcoma (FDCS) is a rare neoplasm with a non-specific and insidious presentation further complicated by the difficult diagnostic and therapeutic assessment. It has a low to intermediate risk of recurrence and metastasis. Unlike other soft tissue sarcomas or histiocytic and dendritic cell neopl …
Clonal cytogenetic abnormalities have been reported among 30–80% of patients with myelodysplastic syndromes (MDS); however, 20–70% of patients with MDS show a normal karyotype that may nevertheless harbour a cryptic genetic alteration. Earlier reports have suggested that the distribution of specific chromosomal aberrat …