Inverted Papilloma Originating Primarily from the Nasolacrimal Duct: A Case Report and Review of the Pertinent Literature by Hussein Z. Walijee, Sandeep Berry, Stuart Quine, Carol Lane, Daniel S. Morris, Benedict Bowman

“…Histology revealed hyperplastic ribbons of basement membrane-enclosed epithelium growing endophytically into the underlying stroma with no evidence of invasive malignancy. The patient made an uneventful recovery with unchanged visual acuity and normal extraocular movements. …”
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Glomus Tumor of the Stomach: A Rare Cause of Upper Gastrointestinal Bleeding by Enzo Fabrício Ribeiro Nascimento, Fábio Piovezan Fonte, Roberta Laís Mendonça, Ronaldo Nonose, Carlos Alberto Fonte de Souza, Carlos Augusto Real Martinez

“…The pathological exam revealed hyperplastic smooth muscle fibers of the muscularis propria of the stomach wall, surrounded by hyaline stroma. The immunohistochemistry panel was positive for smooth muscle actin and type IV collagen, with low rate of mitosis studied by Ki-67 which allowed the final diagnosis of a gastric glomus tumor. …”
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Pedunculated oral fibroma in an 11-year-old patient: A case study by Issa Saad, Maya Jokhadar, Mohamad Salem Rkab, Ahmad Al Manadili, Marwan Al-Raeei, Chadi Azmeh, Mohamad Kamel Alhariri, Mohamad Hasem, Rgena Khalil, Yussef Kalo, Ammar Nasser Agha, Waad Omran

“…Histopathology findings revealed a well-defined mass consisting of dense collagenous stroma and fibroblasts, leading to the diagnosis of traumatic fibroma. …”
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Canine Descemet Stripping Endothelial Keratoplasty with a Tissue Insertion Device: Technique and Long-Term Outcome by Conan Y. Chen, Steven J. Solar, Daniel S. Lewis, Kali Barnes, Batya G. Wiener, Satya Baliga, Eric Chiang, Tim E. Askew, Allen O. Eghrari, Micki D. Armour

“…The tissue was loaded into the inserter prior to surgery with the endothelium facing inwards and the stroma facing the cartridge wall. From the cartridge, the graft was pulled into the eye using microforceps and an anterior chamber maintainer. …”
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Tumor-Associated Mast Cells in Thyroid Cancer by Carla Visciano, Nella Prevete, Federica Liotti, Gianni Marone

“…Among the different cell populations that infiltrate cancer stroma, mast cells (MCs) can influence several aspects of tumor biology, including tumor development and progression, angiogenesis, lymphangiogenesis, and tissue remodelling. …”
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Human Bone Marrow Contains Mesenchymal Stromal Stem Cells That Differentiate In Vitro into Contractile Myofibroblasts Controlling T Lymphocyte Proliferation by Yves Lecarpentier, Olivier Schussler, Antonija Sakic, José Maria Rincon-Garriz, Priscilla Soulie, Marie-Luce Bochaton-Piallat, Vincent Kindler

“…Here we show that medullar MSC cultured in 2D formed an adherent stroma of cells expressing well-organized microfilaments containing α-smooth muscle actin and nonmuscle myosin heavy chain IIA. …”
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Rare Case of Gut-associated Lymphoid Tissue Carcinoma in the Sigmoid Colon of a Very Elderly Patient: A Case Report by Kou Kanesada, Kazuhiko Yoshimatsu, Yoshitomo Ito, Shuya Yano, Masaaki Hori, Masaharu Higashida, Toshimasa Okada, Shunji Endo, Yoshinori Fujiwara, Yasuto Fujimoto, Tatsushi Shiomi, Tomio Ueno

“…Lymphocytes, along with lymph follicles, proliferated compressively in the stroma surrounding the tumor glands. Immunohistochemical analysis showed lost expression of mismatch repair proteins, MLH1 and PMS2, consistent with the tumor immunohistochemistry profile. …”
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Targeting Angiogenesis and Tumor Microenvironment in Metastatic Colorectal Cancer: Role of Aflibercept by Guido Giordano, Antonio Febbraro, Michele Venditti, Serena Campidoglio, Nunzio Olivieri, Katia Raieta, Pietro Parcesepe, Giusy Carmen Imbriani, Andrea Remo, Massimo Pancione

“…The development of a tumor permissive microenvironment via the aberrant expression by tumor cells of paracrine factors alters the tumor-stroma interactions inducing an expansion of proangiogenic signals. …”
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TFE3-rearranged perivascular epithelioid cell tumors of the head and neck with rare fusion partners: clues to the differential diagnosis between benign and malignant tumors by Yuka Takahashi, Akihiko Yoshida, Seiichi Yoshimoto, Shigenobu Suzuki, Satsuki Kishikawa, Ayaka Mitsui, Eijitsu Ryo, Yuki Kojima, Kan Yonemori, Yasushi Yatabe, Taisuke Mori

“…Case presentation Both cases demonstrated sheet-like or focal nested architecture and comprised epithelioid cells with abundant clear to eosinophilic cytoplasm and vascular stroma. The first case exhibited partial pleomorphism, a small necrosis area, and slightly increased mitosis and was classified as malignant. …”
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GLI1-altered mesenchymal tumor involving the parietal pleura: case report and literature review by Yuanli Zhong, Baizhou Li, Gangping Wang, Yuqing Liu, Zhenwei Chen

“…Microscopic examination revealed that the tumor was composed of ovoid-to-round and vaguely epithelioid cells, as well as a few spindle cells, all exhibiting a uniform morphology and organized in a nested and reticular arrangement, accompanied by a rich capillary network in the stroma. Immunohistochemical staining demonstrated positivity for CD56, S-100, and SMA. …”
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Thoracic Endometriosis: A Presentation of an Uncommon Disease in a Black African Woman by John Omotola Ogunkoya, Taiwo Olufemi Solaja, Akinwale Folarin Ogunlade, Marion Itohan Ogunmola

“…Endometriosis is defined as a chronic gynecologic disease which is characterized by the presence of endometrial glands and stroma in anatomical sites and organs outside the uterine cavity. …”
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Endoscopic Mucosal Resection of a Proximal Esophageal Pyogenic Granuloma by Elias Estifan, Varun Patel, Matthew Grossman

“…Pathology of the specimen revealed small capillary vessels growing in a lobular architecture with an edematous stroma and a florid inflammatory infiltrate representing a pyogenic granuloma. …”
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New biomarkers for diagnosis of polycystic ovary syndrome by Farid I. Hassan, Mofeed F. Mohammed, Lamia H. Ali, Alaa A. M. Hussein

“…It is long understood that chronic ovaries with many tiny cysts, hyper vascularized androgen-secreting stroma, signs of extra androgen, and menstrual cycle irregularity are all related. …”
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Mixed Medullary and Follicular Thyroid Carcinoma (MMFTC) by Hasnaini Hasnaini, Salmiah Agus, Hera Novianti

“…Pemeriksaan histopatologi menunjukkan tumor tersusun membentuk fasikulus terdiri atas proliferasi sel dengan inti bulat sampai spindel, kromatin kasar, nukleoli nyata dan adanya pseudoinklusi inti. Stroma mengandung massa amorf warna merah muda (amiloid) yang terpulas positif dengan Congo red. …”
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Uterine histomorphological and immunohistochemical investigation during the follicular phase of estrous cycle in Saidi sheep by Mahmoud Abd-Elkareem, Mohsen A. Khormi, Mohammed A. Alfattah, Mervat S. Hassan

“…Uterine gland adenogenesis, vascular angiogenesis, oxidative marker expression, and PRA expression in the muscles, stroma, and epithelium were the most noticeable features of the follicular phase. …”
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The Evaluation of CD10 and HER2 Immunohistochemical Markers in Urothelial Carcinoma of Urinary Bladder by Khalid W. Abdulfattah Khattab, Nadwa Subhi Alazzo, Banan Burhan Mohammed

“…Objectives: To assess the frequency of CD10 expression (in tumor cells and tumor stroma) and HER2 (in tumor cells) in primary UC of the urinary bladder and to assess their relation with patients’ age, gender, grade, lympho-vascular invasion, and muscle invasion. …”
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Evaluation of the significance of tumor stromal patterns and peri-tumoral inflammation in head and neck squamous cell carcinoma with special reference to the Yamamoto–Kohama classi... by Geet Bhuyan, Prabir Hazarika, Anju M. Rabha

“…Cancer-associated fibroblasts (CAFs) are the predominant cell type in tumor stroma and are important promoters of tumor progression. …”
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Effect of Aloe vera gel on the parotid glands of streptozotocin-induced diabetic albino rats: histological and immunohistochemical study. by Shukria Mohammed Hussein

“…Results: Histopathological examination of the parotid salivary glands in the diabetic group revealed a loss of the standard glandular architecture, including the acini, duct, and connective tissue stroma. Most of these alterations and degenerative changes disappeared or were markedly decreased in the group treated with Aloe vera gel. …”
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Corneal Epithelial Thickness Mapping: A Major Review by Mohammad-Ali Abtahi, Amir Hushang Beheshtnejad, Golshan Latifi, Marjan Akbari-Kamrani, Sadegh Ghafarian, Ahmad Masoomi, Seyed Ali Sonbolastan, Hamidreaza Jahanbani-Ardakani, Mehrnaz Atighechian, Laleh Banan, Hosein Nouri, Seyed-Hossein Abtahi

“…The corneal epithelium (CE) is the outermost layer of the cornea with constant turnover, relative stability, remarkable plasticity, and compensatory properties to mask alterations in the underlying stroma. The advent of quantitative imaging modalities capable of producing epithelial thickness mapping (ETM) has made it possible to characterize better the different patterns of epithelial remodeling. …”
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Pure Laparoscopic Left Hepatectomy for Regrowth of Mucinous Cystic Neoplasm of the Liver after Laparoscopic Deroofing by Hideki Kumagai, Akira Umemura, Hiroyuki Nitta, Hirokatsu Katagiri, Shoji Kanno, Daiki Takeda, Satoshi Amano, Koji Kikuchi, Kiyoharu Takashimizu, Masao Nishiya, Noriyuki Uesugi, Tamotsu Sugai, Akira Sasaki

“…Mucinous cystic neoplasm of the liver (MCN-L) is a rare tumor characterized by ovarian-like stroma and accounts for <5% of all hepatic cysts. …”
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