22q11.2 deletion syndrome natural history, complications and prognosis
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22q11.2 deletion syndrome Microchapters |
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Differentiating 22q11.2 deletion syndrome from other Diseases |
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Diagnosis |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Ayushi Jain, M.B.B.S[2]
Overview
If left untreated, [#]% of patients with [disease name] may progress to develop [manifestation 1], [manifestation 2], and [manifestation 3].
OR
Common complications of [disease name] include [complication 1], [complication 2], and [complication 3].
OR
Prognosis is generally excellent/good/poor, and the 1/5/10-year mortality/survival rate of patients with [disease name] is approximately [#]%.
Natural History, Complications, and Prognosis
Natural History
- The symptoms of (disease name) usually develop in the first/ second/ third decade of life, and start with symptoms such as ___.
- The symptoms of (disease name) typically develop ___ years after exposure to ___.
- If left untreated, [#]% of patients with [disease name] may progress to develop [manifestation 1], [manifestation 2], and [manifestation 3].
Complications
- Common complications of [disease name] include:
- [Complication 1]
- [Complication 2]
- [Complication 3
- Cardiac and craniofacial anomalies associated with DGS may require surgical repair. As with any surgical procedure, the possibility of complications, including bleeding, infection, and prolonged hospitalization, exists. These risks are particularly dangerous for DGS patients with significant immunocompromise. Consistent follow-up of patients with DGS is necessary to evaluate for possible complications: severe recurrent infections, autoimmune diseases, and hematologic malignancies.
Prognosis
Less than 1% of patients with 22q11.2 microdeletion have complete DGS, the most severe subtype of DGS with a very poor prognosis. Without thymic or hematopoietic cell transplantation, these patients die by 12 months of age. Even with a transplant, however, prognosis remains poor. In a study of 50 infants who received a thymic transplant for complete DGS, only 36 survived to two years
Patients with partial DGS do not have a defined prognosis, as this depends on the severity of the pathologies associated with the disease. While some do not survive infancy due to severe cardiac anomalies, many survive into adulthood. DGS may be vastly underdiagnosed, and many undiagnosed adults with DGS thrive in the community with undetectable congenital anomalies and minor intellectual and/or social impairment. Improvements in genetic diagnostics will hopefully improve understanding of DGS in the future.
- Prognosis is generally excellent/good/poor, and the 1/5/10-year mortality/survival rate of patients with [disease name] is approximately [--]%.
- Depending on the extent of the [tumor/disease progression] at the time of diagnosis, the prognosis may vary. However, the prognosis is generally regarded as poor/good/excellent.
- The presence of [characteristic of disease] is associated with a particularly [good/poor] prognosis among patients with [disease/malignancy].
- [Subtype of disease/malignancy] is associated with the most favorable prognosis.
- The prognosis varies with the [characteristic] of tumor; [subtype of disease/malignancy] have the most favorable prognosis.