Dinh Van Luong, Le Ngoc Huy, Nguyen Xuan Giang, Nguyen Huu Hong Thu, Nguyen Hai Ha, Nguyen Huy Binh
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Tuberous sclerosis complex associated lymphangioleiomyomatosis caused by de novo mutation of TSC2 gene in Vietnam: A case report
Abstract Lymphangioleiomyomatosis (LAM) represents a rare, insidiously progressive disease of the pulmonary system, marked by cystic degradation of lung tissues leading to respiratory compromise. Pulmonary LAM has been identified as being associated with tuberous sclerosis complex (TSC) in its pulmonary manifestation (TSC‐LAM), a multisystem genetic disorder resulting from mutations in either the TSC1 or TSC2 genes. Herein, we describe an early 20s female admitted to the hospital with dyspnea, chest pain, hypopigmented macules, and facial fibroadenomas. She has a medical history of renal angiomyolipomas (ALMs) and pneumothoraces. Diagnosis with LAM was confirmed through high‐resolution computed tomography (HRCT) scan and histopathology of lung biopsy. Whole exome sequencing analysis identified a frameshift mutation c.4504del (p.L1502Cfs*74) in the patient's TSC2 gene. This variant was de novo due to its absence in the patient's parents. This is the first report on the clinical and genetic etiology of TSC‐LAM in Vietnam.
期刊介绍:
Respirology Case Reports is an open-access online journal dedicated to the publication of original clinical case reports, case series, clinical images and clinical videos in all fields of respiratory medicine. The Journal encourages the international exchange between clinicians and researchers of experiences in diagnosing and treating uncommon diseases or diseases with unusual presentations. All manuscripts are peer-reviewed through a streamlined process that aims at providing a rapid turnaround time from submission to publication.