Lichtenstein syndrome https://rarediseases.info.nih.gov/diseases/3248/lichtenstein-syndrome https://www.malacards.org/card/lichtenstein_syndrome Lichstenstein syndrome is characterized by frequent infections associated with osteoporosis, a tendency for fractures and osseous anomalies. It has been described in two monozygotic twin brothers. Transmission is autosomal recessive. UMLS:C1855502 SCTID:763668009 neutropenia immunoglobulin deficiency peculiar facies and bony anomalies Orphanet:2390 MONDO:0009523 GARD:0003248 MESH:C535894 OMIM:246550 MEDGEN:340889 Lichtenstein syndrome constitutional neutropenia