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colloid carcinoma

X Chen, F X Dou, X B Cheng, A T Guo, H Y Shi
Objective: To study the clinicopathologic features of thyroid-like follicular renal cell carcinoma. Methods: Clinical data were collected in 5 cases of thyroid-like follicular renal cell carcinoma. HE staining and immunohistochemistry were carried out in surgically-removed specimen to analyze the clinical and pathological features with review of the literatures. Results: The patients aged 20-55 years, with one male and four females; the tumor occurred in the left kidney in three cases and right kidney in two cases...
October 8, 2016: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
Maral Mokhtari, Perikala Vijayananda Kumar, Kamran Hayati
BACKGROUND: Cystic papillary thyroid carcinoma (CPTC) is a variant of papillary carcinoma that has many mimickers in cytological grounds. AIM: To study the cytomorphologic features of CPTC and compare them to those of other cystic thyroid lesions using fine-needle aspiration cytology (FNAC). We also aimed to identify the cytomorphologic features that distinguish CPTC from other cystic thyroid lesions. MATERIALS AND METHODS: Seventy-three cases of CPTC were included in the study...
July 2016: Journal of Cytology
Chia-Hung Wu, Nai-Chi Chiu, Yi-Chen Yeh, Yu Kuo, Sz-Shian Yu, Ching-Yao Weng, Chien-An Liu, Yi-Hong Chou, Yi-You Chiou
BACKGROUND: Beside hepatocellular carcinoma, metastasis, and cholangiocarcinoma, the imaging findings of other relatively uncommon hepatic lesions are less discussed in the literature. Imaging diagnosis of these lesions is a daily challenge. In this article, we review the imaging characteristics of these neoplasms. METHODS: From January 2003 to December 2014, 4746 patients underwent liver biopsy or hepatic surgical resection in our hospital. We reviewed the pathological database retrospectively...
September 2016: Medicine (Baltimore)
J K Logan, P C Park, F C Wong, W D Erwin, S Beddar, A O Kaseb, C H Crane, E J Koay
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
K Giannousi, E Hatzivassiliou, S Mourdikoudis, G Vourlias, A Pantazaki, C Dendrinou-Samara
There is a growing field of research into the physicochemical properties of metal oxide nanoparticles (NPs) and their potential use against tumor formation, development and progression. Coated NPs with biocompatible surfactants can be incorporated into the natural metabolic pathway of the body and specifically favor delivery to the targeted cancerous cells versus normal cells. Polyethylene glycol (PEG) is an FDA approved, biocompatible synthetic polymer and PEGylated NPs are regarded as "stealth" nanoparticles, which are not recognized by the immune system...
September 14, 2016: Journal of Inorganic Biochemistry
Matthew P Doepker, Maki Yamamoto, Matthew A Applebaum, Nupur U Patel, M Jaime Montilla-Soler, Amod A Sarnaik, C Wayne Cruse, Vernon K Sondak, Jonathan S Zager
BACKGROUND: Accurate preoperative lymphoscintigraphy is vital to performing sentinel lymph node biopsy (SLNB) for cutaneous malignancies. Potential advantages of single-photon emission computed tomography with integrated computed tomography (SPECT/CT) include the ability to readily identify aberrant drainage patterns as well as provide the surgeon with three-dimensional anatomic landmarks not seen on conventional planar lymphoscintigraphy (PLS). METHODS: Patients with cutaneous malignancies who underwent SLNB with preoperative imaging using both SPECT/CT and PLS from 2011 to 2014 were identified...
September 22, 2016: Annals of Surgical Oncology
Khurram Rehman, Mohd Hanif Zulfakar
PURPOSE: To characterize bigel system as a topical drug delivery vehicle and to establish the immunomodulatory role of imiquimod-fish oil combination against skin cancer and inflammation resulting from chemical carcinogenesis. METHODS: Imiquimod-loaded fish oil bigel colloidal system was prepared using a blend of carbopol hydrogel and fish oil oleogel. Bigels were first characterized for their mechanical properties and compared to conventional gel systems. Ex vivo permeation studies were performed on murine skin to analyze the ability of the bigels to transport drug across skin and to predict the release mechanism via mathematical modelling...
September 12, 2016: Pharmaceutical Research
Mohammed S Bermo, Alan Leung, Fatemeh Behnia
A 73-year-old man diagnosed with Merkel cell carcinoma of the left nasal ala was referred for preoperative scintigraphic sentinel lymph node mapping. In three separate foci around the lesion, 0.2 mCi of Tc-sulfur colloid was intradermally administered. Planar images demonstrated accumulation of tracer midway between the nose and left ear. SPECT/CT images localized radiotracer uptake to the left buccinator/buccal space, consistent with a buccinator lymph node, which is an inconsistent part of the facial lymphatic drainage...
November 2016: Clinical Nuclear Medicine
Shazia Bano, Samina Nazir, Alia Nazir, Saeeda Munir, Tariq Mahmood, Muhammad Afzal, Farzana Latif Ansari, Kehkashan Mazhar
Superparamagnetic iron oxide nanoparticles (SPIONs) have the potential to be used as multimodal imaging and cancer therapy agents due to their excellent magnetism and ability to generate reactive oxygen species when exposed to light. We report the synthesis of highly biocompatible SPIONs through a facile green approach using fruit peel extracts as the biogenic reductant. This green synthesis protocol involves the stabilization of SPIONs through coordination of different phytochemicals. The SPIONs were functionalized with polyethylene glycol (PEG)-6000 and succinic acid and were extensively characterized by X-ray diffraction analysis, field emission scanning electron microscopy, energy-dispersive X-ray spectroscopy, atomic force microscopy, Rutherford backscattering spectrometry, diffused reflectance spectroscopy, fluorescence emission, Fourier-transform infrared spectroscopy, ultraviolet-visible spectroscopy, and magnetization analysis...
2016: International Journal of Nanomedicine
Sebastian Bardosi, Attila Bardosi, Zsuzsanna Nagy, Dora Reglodi
Pituitary adenylate cyclase activating polypeptide (PACAP) belongs to the vasoactive intestinal peptide-secretin-glucagon peptide family, isolated first from ovine hypothalamus. The diverse physiological effects of PACAP are known mainly from animal experiments, including several actions in endocrine glands. Alteration of PACAP expression has been shown in several tumors, but changes in expression of PACAP and its specific PAC1 receptor in human thyroid gland pathologies have not yet been investigated. Therefore, the aim of the present study was to investigate expression of PACAP and its PAC1 receptor in human thyroid papillary carcinoma, the most common endocrine malignant tumor...
October 2016: Journal of Molecular Neuroscience: MN
Michael D Chang, Allison K Arthur, Joaquín J García, William R Sukov, Wonwoo Shon
Mammary analogue secretory carcinoma of salivary glands is a relatively recently recognized entity that harbors the ETV6-NTRK3 fusion transcript. To date, only rare cases of mammary analogue secretory carcinoma of the skin have been reported. A 57 year-old man presented with a 6.0 cm cystic mass in the axilla, involving the dermis and superficial subcutis. Microscopically, the tumor exhibited nodular aggregation of tubular and microcystic structures embedded in the dense fibrotic and hyalinized stroma. Characteristic "colloid-like" eosinophilic secretory material was present within intraluminal spaces...
August 10, 2016: Journal of Cutaneous Pathology
Matthew J Muscara, Novae B Simper, Edwin Gandia
Thyroid-like follicular carcinoma of the kidney (TLFCK) is a rare but emerging renal neoplasm that morphologically mimics follicular carcinoma of the thyroid but lacks immunohistochemical expression of thyroid markers such as TTF-1 and thyroglobulin. Here, a case of an incidentally discovered TLFCK in a 27-year-old man is reported. Histologic evaluation demonstrated an encapsulated proliferation of variably sized thyroid follicle-like epithelial-lined spaces filled with colloid-like eosinophilic secretions...
July 29, 2016: International Journal of Surgical Pathology
Uliana Kostiv, Ilya Kotelnikov, Vladimír Proks, Miroslav Šlouf, Jan Kučka, Hana Engstová, Petr Ježek, Daniel Horák
Starting NaYF4:Yb(3+)/Er(3+) nanoparticles with size tuned from 24 to 33 nm were prepared by high-temperature coprecipitation of lanthanide chlorides in high-boiling organic solvents. To enhance colloidal stability in aqueous medium, an aminosilica shell was introduced on the surface by hydrolysis and condensation of tetramethyl orthosilicate and (3-aminopropyl)trimethoxysilane using a reverse microemulsion technique; to form alkyne groups, reaction with 4-pentynoic acid followed. Finally, the cell adhesive and cell penetrating azidopentanoyl-GGGRGDSGGGY-NH2 (RGDS) and azidopentanoyl-GGGRKKRRQRRR-NH2 (TAT) peptides were conjugated to the upconversion particles via Cu(I)-catalyzed alkyne-azide cycloaddition...
August 10, 2016: ACS Applied Materials & Interfaces
Jennifer Dettloff, Raja R Seethala, Todd M Stevens, Margaret Brandwein-Gensler, Barbara A Centeno, Kristen Otto, Julia A Bridge, Justin A Bishop, Marino E Leon
Salivary gland-type tumors have been rarely described in the thyroid gland. Mammary Analog Secretory Carcinoma (MASC) is a recently defined type of salivary gland carcinoma characterized by a t(12;15)(p13;q25) resulting in an ETV6-NTRK3 fusion gene. We report 3 cases of MASC involving the thyroid gland without clinical evidence of a salivary gland or breast primary; the clinico-pathologic characteristics are reviewed. Assessment for rearrangement of the ETV6 (12p13) locus was conducted by fluorescence in situ hybridization (FISH) on representative FFPE sections using an ETV6 break apart probe (Abbott Molecular, Des Plaines, IL, USA)...
July 11, 2016: Head and Neck Pathology
Cheng Li, Weiwei Zhan, Fang Yi, Bin Zheng, Yaqin Zhou, Ran Zhao, Yi Jia
BACKGROUND: This study aimed to investigate the value of fine needle aspiration biopsy (FNAB) under ultrasound guidance in diagnosis of thyroid nodules. In a retrospective analysis of FNAB in 1050 cases of patients with 1100 nodules, patients were divided according to the maximum diameter of their nodules into two groups: >1.0 and ≤1.0 cm. The ultrasound-guided FNAB cytology results were compared between two groups. RESULTS: Ultrasound findings showed that among 1100 thyroid nodules, 547 were highly suspicious, 358 were moderately, 175 were low, and 19 were very low...
2016: SpringerPlus
A V Isaeva, A P Zima, T V Saprina, K T Kasoyan, O S Popov, O V Brynova, I S Berezkina, O A Vasil'eva, N V Ryazantseva, I P Shabalova, L S Litvinova, Yu D Pak, V V Novitskii
We compared the results of gene molecular and immunocytochemical studies of β-catenin and E-cadherin in different variants of nodular thyroid disease (nodular colloid goiter, follicular thyroid adenocarcinoma, papillary thyroid cancer) and revealed changes of the function of the E-cadherin/β-catenin complex leading to switching from adhesion function of β-catenin in nodular colloid goiter to predominantly transcriptional activity in papillary carcinoma. The results confirm the important role of disturbances in E-cadherin-β-catenin interactions in the mechanisms of malignant transformation of follicular epithelium...
June 2016: Bulletin of Experimental Biology and Medicine
Stephen R Bowen, Tobias R Chapman, Joshua Borgman, Robert S Miyaoka, Paul E Kinahan, Iris W Liou, George A Sandison, Hubert J Vesselle, Matthew J Nyflot, Smith Apisarnthanarax
BACKGROUND: Assessment of liver function is critical in hepatocellular carcinoma (HCC) patient management. We evaluated parameters of [(99m)Tc] sulfur colloid (SC) SPECT/CT liver uptake for association with clinical measures of liver function and outcome in HCC patients. METHODS: Thirty patients with HCC and variable Child-Turcotte-Pugh scores (CTP A5-C10) underwent [(99m)Tc]SC SPECT/CT scans for radiotherapy planning. Gross tumor volume (GTV), anatomic liver volume (ALV), and spleen were contoured on CT...
December 2016: EJNMMI Research
Min-Shu Hsieh, Yi-Hsuan Lee, Yih-Leong Chang
Transcription factor SRY-related HMG-box 10 (SOX10) is an important marker for melanocytic, schwannian, myoepithelial, and some salivary gland tumors. The aim of this study was to investigate SOX10 expression more thoroughly in the salivary gland neoplasms, including mammary analogue secretory carcinoma and hyalinizing clear cell carcinoma harboring specific genetic rearrangements. A new rabbit monoclonal anti-SOX10 antibody (clone EP268) was used to examine SOX10 expression in 14 different types of salivary gland tumors...
October 2016: Human Pathology
Ali M Tahvildari, Lorraine Pan, Christina S Kong, Terry Desser
OBJECTIVES: It is commonly held that punctate nonshadowing echogenic foci on sonography, often termed microcalcifications, represent psammoma bodies. We aimed to determine the validity of this supposition by correlating the presence of punctate echogenic foci on sonography with their presence at histopathologic examination. METHODS: We examined 51 nodules (surgically proven papillary thyroid carcinoma) by sonography and histopathologic examination. On the latter, nodules were examined for evidence of psammomatous calcifications, dystrophic calcifications, and colloid...
August 2016: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
Hardeep Singh Mudhar, Murtuza Nuruddin, Soma Rani Roy
PURPOSE: The aim of this study was to report the clinical and histopathological features of an eyelid metastasis in a 70-year-old male with no prior medical history. METHODS: A 70-year-male presented with a painless, hard, red nodular growth in his left lower medial eyelid of 6 months duration, involving the canaliculus and punctum. He did not complain of any other ocular or systemic abnormality. The clinical differential diagnosis included lymphoma or a primary adnexal tumour...
April 2016: Ocular Oncology and Pathology
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