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JOURNAL ARTICLE
Benjamin C Billingsley, Ritica Chaudhary, Michael W Morris, Jennifer A Cox, Sandra M Camacho-Gomez, Neha Varshney
An inflammatory myofibroblastic tumor (IMT) is a rare mesenchymal neoplasm of borderline malignant potential. Nearly half of all IMTs have rearrangement of anaplastic lymphoma kinase (ALK) locus on chromosome 2p23 which can be treated with targeted therapy. Herein, we describe an unusual presentation of IMT involving an anatomical region rarely implicated in this disease process. A 15-year-old male patient came to the ER with dysphagia and coffee ground emesis. On esophagogastroscopy, a nodular luminal obstructing 30 × 50 mm mass in the lower esophagus was found, which was continuous with a large, partially circumferential gastric mass extending from the mid-body to the proximal antrum...
April 24, 2024: International Journal of Surgical Pathology
#2
JOURNAL ARTICLE
Xue Deng, Xuefeng Tang, Hui Yao, Ying Wang
Phlebosclerotic colitis (PC) is a rare type of chronic ischemic colitis. Its etiology is still unknown, and PC is also known as idiopathic mesenteric phlebosclerosis colitis. Currently, many studies have reported that long-term use of Chinese herbal medicine and drinking history are related to its pathogenesis. In the early stage of the lesion, due to insufficient understanding of PC, it is difficult to distinguish it from inflammatory bowel disease and other nonneoplastic intestinal diseases. We reported a case of severe diffuse total colon calcification with multiple misdiagnosis, summarizing and analyzing the clinical pathological characteristics to increase clinical and pathological physicians' understanding of the disease and reduce misdiagnosis...
April 22, 2024: International Journal of Surgical Pathology
#3
JOURNAL ARTICLE
Susama Patra, Ajit Sahu, Somanath Padhi, Hemanta Kumar Nayak, Subash Chandra Samal
No abstract text is available yet for this article.
April 22, 2024: International Journal of Surgical Pathology
#4
JOURNAL ARTICLE
Bharat Rekhi, Akhil Santosh, Sameer Rastogi
The clinicopathological spectrum of undifferentiated round cell sarcomas of bone and soft tissues is expanding after the 5th edition of the WHO classification. A 23-year-old male patient presented with a lump in his left thigh of 3 months' duration. Radiological examination revealed a well-defined, solid-cystic lobulated, soft tissue lesion in the proximal medial region of his left thigh, measuring 7.7 cm in the largest dimension. The referring diagnosis was an epithelioid sarcoma. Histopathological review of the tumor sections revealed a cellular tumor composed of malignant epithelioid to focally "rhabdoid-like" cells in a variable hyalinized and myxoid stroma with geographic areas of necrosis...
April 22, 2024: International Journal of Surgical Pathology
#5
JOURNAL ARTICLE
Sayaka Ando, Jun-Ichi Miyatake, Maiko Takeda, Ryuichi Amakawa, Hirokazu Nakamine
Langerhans cell histiocytosis is a rare neoplastic disorder characterized by the proliferation of Langerhans cells and often accompanied by eosinophil infiltration. Charcot-Leyden crystals, composed of galectin 10, are occasionally observed in Langerhans cell histiocytosis; however, histological images are rarely reported. We herein present a patient with Langerhans cell histiocytosis with Charcot-Leyden crystals and hexagonal crystals by describing the histologic and immunohistochemical features of a lymph node...
April 22, 2024: International Journal of Surgical Pathology
#6
JOURNAL ARTICLE
Sherman Lin, Christopher Tran, Ela Bandari, Tommaso Romagnoli, Yueyang Li, Michael Chu, Abinaya S Amirthakatesan, Adam Dallmann, Andrii Kostiukov, Angel Panizo, Anjelica Hodgson, Anna R Laury, Antonio Polonia, Ashley E Stueck, Aswathy A Menon, Aurélien Morini, Birsen Özamrak, Caroline Cooper, Celestine Marie G Trinidad, Christian Eisenlöffel, Dauda E Suleiman, David Suster, David A Dorward, Eman A Aljufairi, Fiona Maclean, Gulen Gul, Irene Sansano, Irma E Erana-Rojas, Isidro Machado, Ivana Kholova, Jayanthi Karunanithi, Jean-Baptiste Gibier, Jefree J Schulte, Joshua J X Li, Jyoti R Kini, Katrina Collins, Laurence A Galea, Louis Muller, Luca Cima, Luiz M Nova-Camacho, Marcus Dabner, Matthew J Muscara, Matthew G Hanna, Mehdi Agoumi, Nicholas J P Wiebe, Nicola K Oswald, Nusrat Zahra, Olaleke O Folaranmi, Oleksandr Kravtsov, Orhan Semerci, Namrata N Patil, Preethi Muthusamy Sundar, Prem Charles, Priyadarshini Kumaraswamy Rajeswaran, Qi Zhang, Rachael van der Griend, Raghavendra Pillappa, Raul Perret, Raul S Gonzalez, Robyn C Reed, Sachin Patil, Xiaoyin Sara Jiang, Sumaira Qayoom, Susan Prendeville, Swikrity U Baskota, Thanh-Truc Tran, Thar-Htet San, Tiia-Maria Kukkonen, Timothy J Kendall, Toros Taskin, Tristan Rutland, Varsha Manucha, Vincent Cockenpot, Yale Rosen, Yessica P Rodriguez-Velandia, Zehra Ordulu, Matthew J Cecchini
Introduction. The identification of mitotic figures is essential for the diagnosis, grading, and classification of various different tumors. Despite its importance, there is a paucity of literature reporting the consistency in interpreting mitotic figures among pathologists. This study leverages publicly accessible datasets and social media to recruit an international group of pathologists to score an image database of more than 1000 mitotic figures collectively. Materials and Methods. Pathologists were instructed to randomly select a digital slide from The Cancer Genome Atlas (TCGA) datasets and annotate 10-20 mitotic figures within a 2 mm2 area...
April 16, 2024: International Journal of Surgical Pathology
#7
JOURNAL ARTICLE
C Van Der Pluijm, P Deprez, L Libbrecht, A Jouret-Mourin, H Dano
Sometimes non-neoplastic changes of the gastric mucosa mimic diffuse-type gastric carcinoma, specifically signet-ring cell adenocarcinoma. In fact, gastric epithelial cells undergoing signet-ring cell change have a cellular morphology that is almost identical to signet-ring cell adenocarcinoma, often leading to misdiagnosis. Accurate recognition of signet-ring cell change is essential to avoid overdiagnosis and overtreatment of signet-ring cell adenocarcinoma. Research on this topic is limited and clinicians lack formal diagnostic tools when signet-ring cells are detected in biopsy specimens...
April 7, 2024: International Journal of Surgical Pathology
#8
JOURNAL ARTICLE
Ankur R Sangoi, Kristyna Pivovarcikova, Mahmut Akgul, Sean R Williamson, Monica Ulamec, Joanna Dominica Rogala, Petr Martinek, Tomas Vanecek, Ondrej Hes, Reza Alaghehbandan
In addition to "classic" and eosinophilic subtype, chromophobe renal cell carcinoma (RCC) is well-known to demonstrate various morphological patterns including adenomatoid, microcystic, pigmented, multicystic, papillary, neuroendocrine-like, and small cell-like, all of which are important to appreciate for accurate diagnosis. Herein, we expand on a unique chromophobe RCC morphology not previously described consisting of tumor cells with extensive stromal retraction, mimicking upper urothelial tract micropapillary carcinoma (MPC)...
April 3, 2024: International Journal of Surgical Pathology
#9
JOURNAL ARTICLE
Ram Krishan, Sachita Pandey, Puja Sakhuja, Surbhi Goyal, Krishna Bhardwaj, B G Vageesh, Anil K Agarwal
Melanoma is a relatively rare malignancy with a highly aggressive biological behavior. Metastases to other sites, like lymph nodes and liver are common, but primary hepatic melanoma is a rarity with poor survival ranging from months to few years. Diagnosis of primary hepatic melanoma via clinical features and imaging technology is difficult because of its ambiguous features. Here, we present a 26-year-old North Indian woman admitted in the department of gastrointestinal surgery at our tertiary care hospital with the complaint of pain in the abdomen for a month associated with the loss of appetite and subsequent weight loss...
April 3, 2024: International Journal of Surgical Pathology
#10
JOURNAL ARTICLE
Luke Bushrow, Peter Kneuertz, William Maher, Konstantin Shilo
A 39-year-old woman originally from Northeast Africa sought medical attention for positional dyspnea. Computed tomography of the chest revealed an 8.5 cm hypodense anterior mediastinal mass with peripheral calcifications that raised a wide differential diagnosis including infectious and neoplastic lesions. Following surgical resection, a large cavitary necrotizing and calcified granuloma involving the thymus was identified on histopathological examination. The changes were associated with parasitic eggs that based on their morphology suggested infection due to trematode species...
April 3, 2024: International Journal of Surgical Pathology
#11
JOURNAL ARTICLE
Gianfranco E Umeres-Francia, Javier A Arias-Stella, Saro Manoukian, Leonidas Arvanitis
Glioblastoma, IDH-wildtype (GBM) is a high-grade astrocytic glioma that accounts for the majority of malignant brain tumors in adults. Within this entity, epithelioid GBM represents a histological subtype characterized by a loosely cohesive aggregate of large cells with abundant cytoplasm, and vesicular nuclei that usually harbors the BRAF V600E mutation. Molecular alterations in GBMs are frequent and play an important role in the diagnosis of this entity. Among the many genetic alterations reported, NTRK fusions are rare and account for <2% of gliomas...
April 1, 2024: International Journal of Surgical Pathology
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JOURNAL ARTICLE
Yao Sun, Wanrun Lin, Qiuqin Zou, Wenxin Zheng, Huijuan Zhang, Feng Zhou
OBJECTIVE: We investigate gastric-type endocervical adenocarcinoma (ECA), a prominent HPV-independent adenocarcinoma, and its coexistence with high-grade squamous intraepithelial lesion (HSIL) through the examination of three such tumors. METHODS: In this study, we conducted an in-depth review of three patients with gastric-type ECA, each associated with high-risk HPV infection as detected on Pap smears. We detailed the clinical and pathological features of each patient and utilized RNAscope for high-risk HPV testing to ascertain HPV status in both gastric-type ECA and HSIL components...
April 1, 2024: International Journal of Surgical Pathology
#13
JOURNAL ARTICLE
Susan K Potterveld, Sean R Williamson, Khaleel I Al-Obaidy, Mahmut Akgul, Emily Chan, Giovanna A Giannico, Ankur R Sangoi
Urothelial carcinoma and prostatic adenocarcinoma can have overlapping histologic features and in some instances pose challenges to pathologists. GATA binding protein 3 (GATA3) immunohistochemistry (IHC) is a well-established tool to aid in this specific diagnostic dilemma as it has been shown to be a sensitive marker for urothelial carcinoma and a putatively specific marker in excluding prostatic adenocarcinoma. However, in encountering an index tumor of prostatic adenosquamous carcinoma positive for GATA3, herein we sought to investigate this potential diagnostic pitfall in a larger series of tumors...
April 1, 2024: International Journal of Surgical Pathology
#14
JOURNAL ARTICLE
Liwei Jia, Bo Zhang, Daniel Shen, Prasad R Koduru
Well-differentiated neuroendocrine tumor rarely occurs as a testicular primary tumor, accounting for less than 1% of all testicular cancers, and is rarely reported with sufficient molecular profiles. After searching our departmental database (2003-2023), two testicular primary well-differentiated neuroendocrine tumors were identified in a 35-year-old man and a 23-year-old man, respectively, both of whom had normal serum level of tumor markers. Both tumors grossly exhibited solid, yellow-tan, and homogeneous appearance and histologically displayed a mixture of growth patterns, including organoid, tubular, cribriform, nests, cords, and single cells, were composed of eosinophilic tumor cells with salt-and-pepper chromatin and indistinct cell borders...
March 21, 2024: International Journal of Surgical Pathology
#15
JOURNAL ARTICLE
Hovsep Ohan, Fatimah I Alruwaii, Joseph Montecalvo, Khaleel I Al-Obaidy
No abstract text is available yet for this article.
March 21, 2024: International Journal of Surgical Pathology
#16
JOURNAL ARTICLE
Michael Magguilli, Cody Thomas, Evan Fowle
Recent changes to medical terminology and nomenclature have made strides to improve ethical integrity in healthcare. Removing tarnished eponymous namesakes and depreciative descriptions from the medical lexicon is a challenging, but righteous undertaking. In this article, the authors propose replacing the pejorative histologic description of "Indian file" with "Tusken Raider file."
March 21, 2024: International Journal of Surgical Pathology
#17
JOURNAL ARTICLE
Federico Repetto, Carmen M Perrino, Michelle S Hirsch
Ovarian-type (ie, Mullerian) epithelial tumors occurring in the testicular and paratesticular regions are exceptionally rare, with only a handful reported worldwide. Serous tumors are the most frequently encountered subtype among these rare tumors. The pathogenesis of these tumors within the testicular and paratesticular regions remains a subject of intrigue and debate, with various hypotheses attempting to explain their presence in the paratestis region, where most tumors occur. However, our understanding of the pathogenesis of intratesticular tumors is limited...
March 21, 2024: International Journal of Surgical Pathology
#18
JOURNAL ARTICLE
Daniel Christensen, Jeffrey A Belair, Atrayee BasuMallick, Scot A Brown, Michael Klein, Wei Jiang
A 23-year-old female patient presented with radicular back pain, perineal numbness, and urinary retention. The patient was diagnosed with cauda equina syndrome and magnetic resonance imaging (MRI) of the spine revealed an enhancing osseous lumbar lesion causing severe central stenosis. A core needle biopsy of the lumbar spine showed microscopic features compatible with a small round blue cell tumor. CD99 and FLI1 were positive in the tumor cells. Next-generation sequencing demonstrated a EWSR1::FLI1 fusion...
March 20, 2024: International Journal of Surgical Pathology
#19
JOURNAL ARTICLE
Patrick Mullane, Sean R Williamson, Ankur R Sangoi
INTRODUCTION: As the list of histologic parameters to include in surgical pathology reports of prostate cancer biopsies grows, some pathologists include this information in the microscopic description or summary sections of the report, whereas others include it in the "topline" or final diagnosis section. This prompted us to develop a multi-institutional survey to assess reporting trends among genitourinary (GU) pathologists. METHODS: A survey instrument was shared among 110 GU pathologists via surveymonkey...
March 20, 2024: International Journal of Surgical Pathology
#20
JOURNAL ARTICLE
Cheng Si, Yihuan Wang, Jinghua Zhu
Rhabdomyosarcoma is a highly malignant tumor with striated muscle differentiation, which is histologically classified as alveolar, embryonal, pleomorphic, and spindle cell/sclerosing histological subtype. Rhabdomyosarcoma with TFCP2 rearrangement, which usually occurs in the bone, is a newly identified rare spindle and epithelioid rhabdomyosarcoma with characteristic clinicopathological features and molecular alterations. We report a 39-year-old female patient who underwent local excision of the mandibular lesion...
March 18, 2024: International Journal of Surgical Pathology
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