{"title":"Abdominal Actinomycosis Abscess Mimicking Malignancy: A Case Report and Review of the Literature.","authors":"Yosra Loukil, Saadia Makni, Youssef Mejdoub, Haitham Rejab, Nozha Toumi, Slim Charfi, Tahya Sallemi Boudawara, Marwa Bouhamed","doi":"10.1177/23247096251316374","DOIUrl":"10.1177/23247096251316374","url":null,"abstract":"<p><p>Actinomycosis is a rare chronic granulomatous infection caused by <i>Actinomyces</i> species. We report the case of a 47-year-old man with no previous medical history, who presented with a slowly growing abdominal mass extending to the abdominal wall, initially mimicking a malignant tumor. A diagnosis of an <i>Actinomyces</i> abscess was confirmed through surgical resection and histopathological examination. This case is presented to highlight the morphological characteristics and emphasize the diagnostic difficulties of this disease.</p>","PeriodicalId":16198,"journal":{"name":"Journal of investigative medicine high impact case reports","volume":"13 ","pages":"23247096251316374"},"PeriodicalIF":0.9,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11851742/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143483343","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nagihan Orhun, Islam Rajab, Utku Ekin, George Horani, Mourad Ismail
{"title":"Unveiling Rare Pulmonary Complications in Infective Endocarditis: Pneumatoceles and Pneumothorax in a Case Series With Contextual Literature Review.","authors":"Nagihan Orhun, Islam Rajab, Utku Ekin, George Horani, Mourad Ismail","doi":"10.1177/23247096251334228","DOIUrl":"https://doi.org/10.1177/23247096251334228","url":null,"abstract":"<p><p>Patients with a history of drug abuse and right-sided endocarditis are particularly susceptible to developing septic pulmonary emboli. Rarely, septic pulmonary emboli can cause severe lung injury resulting in parenchymal loss despite appropriate antibiotic therapy. We present 2 cases of severe lung injury associated with septic pulmonary emboli stemming from right-sided infective endocarditis, emphasizing 2 rare complications: bilateral spontaneous pneumothorax and pneumatocele formation.</p>","PeriodicalId":16198,"journal":{"name":"Journal of investigative medicine high impact case reports","volume":"13 ","pages":"23247096251334228"},"PeriodicalIF":0.9,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12033459/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143971717","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jayalekshmi Jayakumar, Manasa Ginjupalli, Giovannie Isaac Coss, Fiqe Khan, Daniel Stein, Davin Turku, Khalimullah Quadri
{"title":"Unveiling the Link Between Breast Cancer and Liver Abscess: A Case Report and Review of Literature.","authors":"Jayalekshmi Jayakumar, Manasa Ginjupalli, Giovannie Isaac Coss, Fiqe Khan, Daniel Stein, Davin Turku, Khalimullah Quadri","doi":"10.1177/23247096251334232","DOIUrl":"https://doi.org/10.1177/23247096251334232","url":null,"abstract":"<p><p>The introduction of screening mammograms has revolutionized the early detection of breast cancer. However, it remains the most common cancer in women in the United States, excluding skin cancer. As the incidence rates continue to rise, unusual presentations have become more frequent. Additionally, healthcare barriers can lead to delayed detection of breast cancer, resulting in unexpected complications. The occurrence of pyogenic liver abscess (PLA) in diabetic cancer patients, due to the synergistic effect of insulin-like growth factor-1 in tumorigenesis and abscess formation, is well documented. PLA is also prevalent in hepatocellular, colorectal, and pancreato-biliary tumors. However, the occurrence of PLA as an initial presentation of isolated advanced breast cancer without these comorbidities is understudied. This may be due to direct spread of infection from affected skin or spread via lymphatics or vasculature in the setting of immunosuppression from cancer. We present an exceedingly rare case of PLA, complicated by pulmonary embolism, in an elderly female with newly diagnosed stage IIIB breast carcinoma.</p>","PeriodicalId":16198,"journal":{"name":"Journal of investigative medicine high impact case reports","volume":"13 ","pages":"23247096251334232"},"PeriodicalIF":0.9,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12033507/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144024462","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Victoria Watson, Saif Ghishan, Tata Avalishvili, Sinen Zeleke, Saron Tigabe, Anderson White, Fuad Zeid, Zakaria Alagha
{"title":"Exploring Extubation Readiness in Guillain-Barré Syndrome: A Case Report and Literature Review.","authors":"Victoria Watson, Saif Ghishan, Tata Avalishvili, Sinen Zeleke, Saron Tigabe, Anderson White, Fuad Zeid, Zakaria Alagha","doi":"10.1177/23247096251331859","DOIUrl":"https://doi.org/10.1177/23247096251331859","url":null,"abstract":"<p><p>Guillain-Barré Syndrome (GBS) is an acute immune-mediated polyneuropathy causing rapidly progressive muscle weakness and often respiratory failure, requiring mechanical ventilation in 30% of cases. Successful weaning and extubation are crucial, focusing on readiness for spontaneous breathing trials, optimal timing, and minimizing complications such as ventilator-associated pneumonia and extubation failure. This case report describes an 83-year-old male with multiple comorbidities who was intubated after his negative inspiratory force dropped below -30 cm H₂O and treated with plasmapheresis, leading to partial improvement. Despite not meeting standard extubation criteria, he was successfully extubated, maintained stable respiratory function, and was safely discharged. This case highlights the challenges of extubation in GBS patients, where advanced age, decreased physiological reserve, and comorbidities increase the risks of prolonged intubation and complications. This case also highlights the need for individualized extubation strategies in GBS, particularly in elderly patients who may not meet standard criteria. Tailored approaches can still lead to successful outcomes. Based on our institutional experience, we propose factors that predict the success or failure of extubation in these patients. Further research is needed to refine predictive markers and improve extubation success in this population, ultimately enhancing outcomes and reducing ICU and hospital stays.</p>","PeriodicalId":16198,"journal":{"name":"Journal of investigative medicine high impact case reports","volume":"13 ","pages":"23247096251331859"},"PeriodicalIF":0.9,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12062643/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144008516","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A Case of Pulmonary Sarcoidosis With Multiple Endobronchial Polypoid Structures and Partial Airway Obstruction.","authors":"Nagihan Orhun, Utku Ekin, Islam Rajab, Jessimar Sanchez, Arham Hazari, Mourad Ismail","doi":"10.1177/23247096251313630","DOIUrl":"10.1177/23247096251313630","url":null,"abstract":"<p><p>We present a case of a 42-year-old male with sarcoidosis manifesting as endobronchial mass-like lesions, a rare and atypical presentation of the disease. Sarcoidosis typically involves the respiratory system, but its occurrence as endobronchial polyps mimicking malignancy is uncommon. The diagnosis was confirmed through bronchoscopy and biopsy, revealing non-caseating granulomas. Treatment with corticosteroids led to significant clinical improvement. This case underscores the importance of considering sarcoidosis in the differential diagnosis of endobronchial masses and the role of biopsy in confirming the diagnosis.</p>","PeriodicalId":16198,"journal":{"name":"Journal of investigative medicine high impact case reports","volume":"13 ","pages":"23247096251313630"},"PeriodicalIF":0.9,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11758509/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143028943","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Alissa Mingo, Drew Stone, Andrew D Schreiner, Richard Lueking
{"title":"Rising Into Relevance: A Rare Case of <i>Saccharomyces cerevisiae</i> Pyelonephritis in an Immunosuppressed Patient With Exposure to Sourdough Starter.","authors":"Alissa Mingo, Drew Stone, Andrew D Schreiner, Richard Lueking","doi":"10.1177/23247096251322284","DOIUrl":"10.1177/23247096251322284","url":null,"abstract":"<p><p><i>Saccharomyces cerevisiae</i>, commonly known as Baker's yeast, has been used in breadmaking, winemaking, and beer brewing for centuries. Although not generally regarded as pathogenic, rare cases of invasive infections have occurred in patients predisposed by critical illness, immunosuppression, or prolonged antibiotic use. Using data collected from the electronic medical record and personal interactions with the patient, we present a case of complicated <i>S cerevisiae</i> urinary tract infection (UTI). We searched terms (and permutations of terms) including <i>Saccharomyces cerevisiae</i>, Baker's or Brewer's yeast, and urinary tract infection using PubMed to identify previously published evidence of invasive <i>S cerevisiae</i> infections. Our patient is a 30-year-old woman with a history of rheumatoid arthritis on methotrexate, and previous admission for <i>Candida glabrata</i> UTI requiring intravenous antifungal therapies, who presented to her gynecologist with complaints of vaginitis and flank pain. Vaginal and urine cultures grew <i>S cerevisiae</i>, and the patient was diagnosed with pyelonephritis and admitted for treatment. A further review of the patient's history revealed daily exposure to <i>S cerevisiae</i> through baking sourdough bread. She was treated with 7 days of IV amphotericin deoxycholate and discharged on a 6-month course of suppressive oteseconazole for vulvovaginitis suppression. <i>Saccharomyces cerevisiae</i> is an exceedingly rare cause of invasive fungal UTI, with our literature review identifying only a few case reports of associated UTI and fungemia, all related to probiotic use. Our case emphasizes the importance of careful history taking and early diagnostic cultures in those at risk of invasive fungal infections.</p>","PeriodicalId":16198,"journal":{"name":"Journal of investigative medicine high impact case reports","volume":"13 ","pages":"23247096251322284"},"PeriodicalIF":0.9,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11851732/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143483346","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ahmed Mohamed Nefzi, Dhouha Cherif, Habiba Dabbebi, Haythem Yacoub, Hajer Hassine, Hela Kchir, Khadija Bellil, Nadia Maamouri
{"title":"Methimazole-Induced Cholestatic Jaundice: A Rare Case and Literature Review.","authors":"Ahmed Mohamed Nefzi, Dhouha Cherif, Habiba Dabbebi, Haythem Yacoub, Hajer Hassine, Hela Kchir, Khadija Bellil, Nadia Maamouri","doi":"10.1177/23247096251317285","DOIUrl":"10.1177/23247096251317285","url":null,"abstract":"<p><p>Methimazole is commonly prescribed for patients with hyperthyroidism. It typically exhibits a well-tolerated profile, with common side effects including gastrointestinal disorders and rash. However, more serious rare yet adverse reactions, notably agranulocytosis and hepatotoxicity have been documented in literature. Here we present a case of a 27-year-old female, recently diagnosed with Graves' disease, who was prescribed methimazole and developed severe pruritus with cholestatic jaundice 13 days later. Concomitant causes of liver disease were ruled out. The treatment was discontinued, and a switch to corticosteroid therapy with a regimen of radioactive iodine sessions was initiated. The patient's condition showed a resolution of pruritus and jaundice, a disappearance of cytolysis with an aggravation of cholestasis followed by a gradual decrease, leading to the liver function normalization after 2 years. Methimazole-induced cholestatic jaundice is a rare yet severe adverse effect. Patients should be aware of this complication and advised to immediately stop taking the treatment when suggestive symptoms (pruritus, jaundice, dark urine, light-colored stool) occur.</p>","PeriodicalId":16198,"journal":{"name":"Journal of investigative medicine high impact case reports","volume":"13 ","pages":"23247096251317285"},"PeriodicalIF":0.9,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11800239/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143255901","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Novel <i>SPAST</i> Deletion Mutation in an American Family With Hereditary Spastic Paraplegia: A Case Report.","authors":"Sydney B Bhopatkar, Juebin Huang","doi":"10.1177/23247096251323173","DOIUrl":"10.1177/23247096251323173","url":null,"abstract":"<p><p>The diverse group of neurodegenerative disorders known as hereditary spastic paraplegia (HSP) is characterized by spasticity and weakness of the bilateral lower extremity due to degeneration of the corticospinal tract. The pathogenesis of HSP is broad, with autosomal dominant, autosomal recessive, X-linked recessive, mitochondrial inheritance, and de novo mutations reported, along with remarkable heterogeneity of mutations and clinical presentation. Of these, the most common subtype of HSP is HSP type 4 (HSP-<i>SPG4</i>), a result of mutations in the <i>SPAST</i> gene (chromosome 2p22.3) that leads to impaired activity of the microtubule-severing protein spastin. Typically presenting as an uncomplicated, autosomal dominant form of the disease, HSP-<i>SPG4</i> has been documented worldwide with vast genomic variance across the <i>SPAST</i> gene. Despite common features in clinical phenotypes, a clear link between <i>SPAST</i> gene variants and disease presentation remains vague. Here, we report a novel 26.1 kb deletion in the <i>SPAST</i> gene (del exons 4-7) in a US family with previously undiagnosed HSP-<i>SPG4</i>.</p>","PeriodicalId":16198,"journal":{"name":"Journal of investigative medicine high impact case reports","volume":"13 ","pages":"23247096251323173"},"PeriodicalIF":0.9,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11869264/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143523684","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sathish Krishnan, Anam Naumaan, Venu Pararath Gopalakrishnan
{"title":"Sarcoidosis Presenting as a Giant Pulmonary Bulla With Concurrent COVID-19 Infection.","authors":"Sathish Krishnan, Anam Naumaan, Venu Pararath Gopalakrishnan","doi":"10.1177/23247096251340738","DOIUrl":"https://doi.org/10.1177/23247096251340738","url":null,"abstract":"<p><p>Sarcoidosis is a systemic granulomatous disease that predominantly affects the lungs. However, its presentation as a giant pulmonary bulla is exceptionally rare. Its association with COVID-19 has raised new concerns regarding disease exacerbation and misdiagnosis. We report a case of a 38-year-old man who developed a large left lower lobe bulla in the context of recent COVID-19 infection. Initial misinterpretation of the bulla as loculated pneumothorax nearly led to an unnecessary chest tube placement. A subsequent thoracotomy with lobectomy revealed nonnecrotizing granulomas, confirming sarcoidosis. The patient showed spontaneous remission without requiring treatment. This case highlights the importance of multidisciplinary discussions in atypical lung presentations to prevent mismanagement.</p>","PeriodicalId":16198,"journal":{"name":"Journal of investigative medicine high impact case reports","volume":"13 ","pages":"23247096251340738"},"PeriodicalIF":0.9,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12062588/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144004258","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Malina Mohtadi, Ruba Habib, Abraam Rezkalla, George Horani, Radhika Tailor, Patrick Michael
{"title":"Unmasking Cystic Fibrosis in Adulthood, a Case Report.","authors":"Malina Mohtadi, Ruba Habib, Abraam Rezkalla, George Horani, Radhika Tailor, Patrick Michael","doi":"10.1177/23247096251334248","DOIUrl":"https://doi.org/10.1177/23247096251334248","url":null,"abstract":"<p><p>Cystic fibrosis (CF) is a genetic disorder typically diagnosed in early childhood, caused by mutations in the cystic fibrosis transmembrane conductance regulator gene, leading to thick mucus accumulation in the lungs, pancreas, and other organs. While most diagnoses occur in childhood, a growing number of cases are being identified in adulthood, presenting unique challenges for recognition and management. This case highlights a 37-year-old patient diagnosed with CF after presenting with chronic respiratory symptoms, and weight loss. Late diagnosis of CF remains rare but can delay appropriate treatment, potentially impacting long-term outcomes.</p>","PeriodicalId":16198,"journal":{"name":"Journal of investigative medicine high impact case reports","volume":"13 ","pages":"23247096251334248"},"PeriodicalIF":0.9,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12033639/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144029504","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}