Photobehaviour of Z-1,2-di-(3′-methoxynaphth-2′-yl)ethene as model compound of biphotochromic supermolecules with Z-ethenic bridge by F. Ortica, D. Levi, P. Brun, R. Guglielmetti, G. Favaro, U. Mazzucato

“…Preliminary investigations showed that the compounds with ethane, acetylene or ester bridges behave as classical photochromes while those with an ethene bridge showed good coloration accompanied by unusual thermal irreversibility at room temperature. …”
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Primary Intradural Extramedullary Spinal Melanoma in the Lower Thoracic Spine by Kathrin Hering, Anke Bresch, Donald Lobsien, Wolf Mueller, Rolf-Dieter Kortmann, Clemens Seidel

“…Purpose. Demonstrating an unusual, extremely rare case of melanoma manifestation. …”
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Acute Pancreatitis Complicating Acute Hepatitis E Virus Infection: A Case Report and Review by Hemanta Kumar Nayak, Nitish L. Kamble, Nishant Raizada, Sandeep Garg, Mradul Kumar Daga

“…The identification of this unusual complication of Hepatitis E is important; however, the prognosis for patients with Acute Pancreatitis Complicating Acute Hepatitis E Virus Infection is good, and uncomplicated recovery with conservative treatment is expected.…”
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Lipoma Arborescens of the Knee: Report of Three Cases and Review of the Literature by Ioannis Tsifountoudis, Dimitrios Kapoutsis, Anastasios-Nektarios Tzavellas, Ioannis Kalaitzoglou, Apostolos Tsikes, George Gkouvas

“…We report three cases of lipoma arborescens affecting the knee, the first in a young male without previous history of arthritis or trauma, the second in a 58-year-old male associated with osteoarthritis, and the final in a 44-year-old male diagnosed with psoriatic arthritis, which cover the entire pathologic spectrum of this unusual entity. We highlight the clinical findings and imaging features, by emphasizing especially the role of MRI, in the differential diagnosis of other, more complex intra-articular masses.…”
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Duodenal Histoplasmosis Presenting with Upper Gastrointestinal Bleeding in an AIDS Patient by Michael A. Spinner, Heather N. Paulin, C. William Wester

“…Gastrointestinal histoplasmosis (GIH) is common in patients with disseminated disease but only rarely comes to clinical attention due to the lack of specific signs and symptoms. We report the unusual case of a 33-year-old Caucasian male with advanced AIDS who presented with upper GI bleeding from diffuse erosions throughout the duodenum. …”
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Sarcomatoid (Spindle Cell) Carcinoma of Tongue: A Report of Two Cases by Montserrat Reyes, Gina Pennacchiotti, Fabio Valdes, Rodrigo Montes, Marcelo Veloso, Maria Angélica Matamala, Luis Zanolli, Gonzalo Rojas-Alcayaga

“…Sarcomatoid Carcinoma (SC) is an unusual and aggressive variant of squamous cell carcinoma, which frequently recurs and metastasizes; for this reason, the right diagnosis is very important. …”
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Physiological Properties of Supragranular Cortical Inhibitory Interneurons Expressing Retrograde Persistent Firing by Barbara Imbrosci, Angela Neitz, Thomas Mittmann

“…These ectopic APs travel both toward synaptic terminals and antidromically toward the soma. This unusual form of neuronal communication seems to preferentially occur in cortical inhibitory interneurons following a period of intense neuronal activity and might have profound implications for neuronal information processing. …”
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Methodological developments in the field of structural integrity analyses of large scale reactor pressure vessels in Hungary by Tamás Fekete

“…However, in the course of technical history there were examples of unusual, catastrophic failures of structures, even resulting in human casualties. …”
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A Case of Ultrasound Diagnosis of Fetal Hiatal Hernia in Late Third Trimester of Pregnancy by Stefania Di Francesco, Mariano Matteo Lanna, Marcello Napolitano, Luciano Maestri, Stefano Faiola, Mariangela Rustico, Enrico Ferrazzi

“…Prenatal diagnosis of this anomaly is unusual and only eight cases have been reported in the literature. …”
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Bone Marrow Infiltration in Rosai–Dorfman Disease by Fatima Zahra Rahali, Fatima Taher, Houda Nassih, Sanae Sayagh

“…Extranodal involvement is present in about 40% of cases, and bone marrow infiltration is rare and unusual. RDD prognosis is usually good, however, involvement of bone marrow is associated with poor prognosis. …”
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Papillary Thyroid Carcinoma in a Branchial Cleft Cyst without a Thyroid Primary: Navigating a Diagnostic Dilemma by Douglas S. Ruhl, Mark F. Sheridan, Joseph C. Sniezek

“…Ectopic thyroid tissue within a branchial cleft cyst is an unusual phenomenon, and papillary thyroid carcinoma arising from this tissue is extremely rare. …”
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Unexplained Findings of Kayser-Fleischer-Like Rings in a Patient with Cryptogenic Cirrhosis by Mahreema Jawairia, Miral Subhani, Ghulam Siddiqui, Apsara Prasad, Ghulamullah Shahzad, Kaleem Rizvon, Paul Mustacchia

“…We are presenting an unusual case of a patient with cryptogenic cirrhosis found to have Kayser-Fleischer-like rings without evidence of Wilson’s disease.…”
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Deep Venous Thrombosis and Bilateral Pulmonary Embolism Revealing Silent Celiac Disease: Case Report and Review of the Literature by Igor Dumic, Scott Martin, Nadim Salfiti, Robert Watson, Tamara Alempijevic

“…Venous thromboembolism (VTE) as a presentation of celiac disease is unusual and rarely reported. We present a case of a 46-year-old man who was admitted for shortness of breath and pleuritic chest pain and was found to have iron deficiency anemia, deep venous thrombosis, and bilateral pulmonary emboli (PE). …”
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On the Origin of the Nervous System Based on Studying Sensillae in Acoel Turbellarians (Acoela) by Ya.I. Zabotin, A.I. Golubev

“…During the ultrastructural investigation of Convoluta convoluta, the unusual sensillae containing myofibrils have been found. …”
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First Description of KPC-2-Producing Klebsiella oxytoca Isolated from a Pediatric Patient with Nosocomial Pneumonia in Venezuela by Indira Labrador, María Araque

“…Although carbapenem resistance in the Enterobacteriaceae is still unusual in Venezuela, KPCs have a great potential to spread due to their localization on mobile genetic elements. …”
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Coincidental Central Precocious Puberty and Wilms Tumor in a 5-Year-Old Girl by Laura Kasongo, Patricia Forget, Ramona Corina Nicolescu

“…Wilms tumor is the most frequent pediatric renal malignancy, and its usual presentation is an abdominal mass or hematuria. Unusual presentations have also been reported, such as paraneoplastic syndromes (acquired von Willebrand disease, sudden death due to pulmonary embolism, and Cushing syndrome). …”
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Crust and Uppermost Mantle Magma Plumbing System Beneath Changbaishan Intraplate Volcano, China/North Korea, Revealed by Ambient Noise Adjoint Tomography by Xingli Fan, Zhen Guo, Yang Zhao, Qi‐Fu Chen

“…Abstract Changbaishan volcano (CBV), straddling the border between China and North Korea, is one of the most intriguing and explosive volcanoes on Earth owing to its voluminous Holocene eruptions and unusual magma composition within a continental intraplate setting. …”
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The Role of PCR in Diagnosis of a Rare Appendicular Tuberculosis and Mini Literature Review by Asmerom Tesfamariam Sengal, Ahmed Abdalla Mohamedani, Hanan Hasaan Hussein, Alaa Kamal

“…The purpose of this report was to present an unusual case of primary tuberculous appendicitis and the approach used for accurate diagnosis as well as a current update on the disease. …”
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Analysis and Simulation of Thermodynamic Diagrams of Convective and Destructive Storms in Mountainous Regions (Case Study: Meshkinshahr City) by Dariush Yarahmadi, Jamid Mirhashemi, Habib Ariantabar

“…Sometimes, the intensity of the unusual operation and combination of these conditions causes severe precipitation, which usually occurs outside the perimeter and perimeter of the occurrence. …”
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Une justice rendue sous silence : juger les collaborateurs des nazis en Pologne dans les années 1950 et 1960 by Audrey Kichelewski

“…My paper will focus on one specific trial, which involved the direct participation of Jewish survivors who initiated and came to testify in person or through letters from the USA or Israel, against the chief member of the local police of Braslaw, a border town in postwar Soviet Belarus. This unusual and non-mediatic trial, that ended after the 1968 antisemitic campaign, sheds light on the agency of the victims, their transnational links but also on the internal political debates about how to fit the story of local collaboration within the official narrative on the Second World War.…”
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