2018
DOI: 10.1002/ajh.25353
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Idiopathic neutropenia of infancy: Data from the Italian Neutropenia Registry

Abstract: Autoimmune neutropenia of infancy (AIN) is characterized by low risk of severe infection, tendency to spontaneously resolve and typically onset at ≤4-5 years of age; it is due to auto-antibodies whose detection is often difficult. In case of negativity of 4 antineutrophils Justification of the high number of authors: this is a registry study and a lot of researchers and physicians contributed to the enrollment of patients and data analysis.

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Cited by 23 publications
(48 citation statements)
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“…With regard to leuko-lymphopenia, lymphocytic typing showed a marked reduction in CD8+ T-and CD16+ lymphocytes (NK cells). In the absence of ongoing infections, a suggestive medical history of primitive immunodeficiency, leukopenia was considered a benign idiopathic form (23).…”
Section: Discussionmentioning
confidence: 99%
“…With regard to leuko-lymphopenia, lymphocytic typing showed a marked reduction in CD8+ T-and CD16+ lymphocytes (NK cells). In the absence of ongoing infections, a suggestive medical history of primitive immunodeficiency, leukopenia was considered a benign idiopathic form (23).…”
Section: Discussionmentioning
confidence: 99%
“…The most prevalent PID entity was humoral defects and SIgAD (66.6%) was found as the most frequent disease, followed by T-cell disorders (14.2%) [57]. More recently the number of Italian patients in the ESID registry has reached 1275 [2,58], but this has not been reflected in other publications from this country with no general information regarding the genetic diagnosis of all PID patients [59,60].…”
Section: Europementioning
confidence: 99%
“…Anti‐neutrophil antibodies are sometimes detectable, but the results of this testing have low sensitivity and specificity in diagnosing AIN 50 . Moreover, in a large Italian cohort study of AIN in children, the presence or absence of anti‐neutrophil antibodies was not associated with risk or frequency of infections, age at recovery, or overall prognosis 51 . Almost all children with AIN normalize their absolute neutrophil counts within a median of 20 months (range, 6–54 months), with no risk of recurrence 48,49,51 …”
Section: Discussionmentioning
confidence: 99%