Introduction: Papillary thyroid carcinoma (PTC) constitutes 75–85% of all thyroid cancers. PTC usually presents as a subtle, commonly slow-growing, painless thyroid mass or a solitary nodule in the neck. This presentation of a cystic neck lump, without the presence of a thyroid nodule, may imitate the course of a benign disease, thus delaying diagnosis and proper treatment.  Case Report: Thr...

cystic fibrosis (cf) is the most common severe autosomal recessive disorder caused by a wide spectrum of mutations in the gene encoding for the cystic fibrosis transmembrane conductance regulator (cftr) protein. the frequencies, types and distributions of mutations vary widely between different populations and ethnic groups. the aim of this study was to perform a comprehensive analysis of the c...

Introduction There are several congenital cystic conditions affecting the liver and bile ducts. The first group includes the intrahepatic cysts, which may be solitary or multiple, and their precursors, the von Meyenburg complexes. These are microscopic areas of duct ectasia which may enlarge gradually to form macroscopic cysts. The second group includes those lesions affecting the biliary drain...

PURPOSE The aim of this study was to characterize the brain ultrasonographic findings of late-onset circulatory dysfunction (LCD) due to adrenal insufficiency (AI) in preterm infants. METHODS Among the 257 preterm infants born at <33 weeks of gestation between December 2009 and February 2014 at our institution, 35 preterm infants were diagnosed with AI. Brain ultrasonographic findings were re...

Benign fibrous histiocytoma (BFH) is a rare primary skeletal tumor, with reported incidence of 1% of all surgically managed benign bone tumors (1). BFH is composed of fibroblasts and histiocytes that are arranged in a storiform pattern, which has almost identical histological features to non-ossifying fibroma (NOF) (2). Therefore, BFH is distinguishable from NOF by radiologic and clinical backg...

OBJECTIVE To investigate and analyze the typical CT findings of salivary gland lymphoepithelial carcinoma. METHODS CT findings in 8 patients with lymphoepithelial carcinoma (LEC) in salivary gland were studied retrospectively. Surgical resection was performed in all cases. RESULTS 8 cases were subdivided to primary tumor and secondary tumor. In primary tumor group, 5 were localized in the p...

BACKGROUND Few studies have been done of bone densities in humans receiving retinoids, despite a substantial amount of literature concerning retinoid-induced osteoporosis in animals. We prospectively measured bone density and calcium metabolism in young men (aged 17-25 years) receiving oral isotretinoin for cystic acne and in a group of healthy volunteers (aged 19-26 years). OBSERVATIONS Comp...

Cystic change in metastatic lymph nodes occurs in certain types of tumors and mostly in squamous cell carcinoma of the head and neck. In the majority of cases, psuedocystic change is the mechanism of cyst formation. However, sometimes a true cyst cavity is formed. This occurrence is unexplained and some theories are introduced to explain it. In this paper, related articles and introduced concep...

cystic hygroma is a well-recognized lesion in paediatric patients but it is very rare in adults. we report here a case of cervical cystic hygroma in a 45 yr old male. the reasons to present this case are 1) its rarity in adults 2) unusual age of presentation 3) simulates various benign and malignant lesions at this site 4) is a diagnostic challenge and 5) role of histology for definitive postop...

how to cite this article: ashrafi mr, tavasoli ar. cystic leukoencephalopathy. iran j child neurol. autumn 2014; 8:4(suppl. 1):3-4. pls see pdf.