Petruzzellis et al1 present an interesting case of a patient with osteogenesis imperfecta and
a ruptured aneurysm at the fenestrated basilar artery. However, they misidentify the …

We read with interest the article by Megdiche-Bazarbacha et al, 1 in which the authors report
a case of a giant intrasphenoidal Rathke cleft cyst (RCC). In our recent review of RCCs, 2 we …

Objective Osteogenesis imperfecta is an inherited connective tissue disorder that causes
bone fragility. Vascular complications have been described, but only few cases of ruptured …

Osteogenesis imperfecta (OI) is a heterogeneous group of connective tissue disorders which
result from mutations in the COL1A1 or in the COL1A2 gene encoding for pro-alpha1 (I) and …

We describe an adult patient with a ruptured dissecting-type superior cerebellar artery
aneurysm and known osteogenesis imperfecta. He was successfully treated with coil …

The authors describe a case of aneurysmal subarachnoid haemorrhage in a 53-year-old
man with background of osteogenesis imperfecta (OI). CT brain revealed diffuse …

A 9-year-old girl with osteogenesis imperfecta (OI) type 4 was admitted to the hospital
because of choreatic movement. Cerebral angiography demonstrated bilateral symmetrical …

Osteogenesis imperfecta (OI) is an inherited disease characterized by bone fragility due to
impaired type I collagen. Although orthopedic management is improving, other …

To the Editor: Collagen IVa (COL4A1) is a basement membrane protein that is ubiquitously
present in all tissues (1). Variants in the COL4A1 gene have been described in a spectrum …

Background Osteogenesis imperfecta (OI) is a heterogeneous group of inherited disorders
that occur owing to the abnormalities in type 1 collagen, and is characterized by increased …