A Case of a Female Patient Presenting With Idiopathic Granulomatous Mastitis With Superimposed Enterococcus Avium Infection.

Idiopathic granulomatous mastitis (IGM) is defined as an uncommon, benign, chronic inflammatory disease of unknown etiology that affects the breast and can mimic breast cancer. It usually manifests as a solid, ill-defined breast lump in postpartum women of reproductive age. Furthermore, because it lacks a particular radiographic finding, core biopsy and histology are the only ways to make a conclusive diagnosis. There is no agreement on the best way to treat IGM. Ideally, a multidisciplinary approach should be used to weigh the benefits and drawbacks of each treatment option, with options such as observation, antibiotics, surgery, and medication therapy being examined (steroids and immunosuppressants). In this report, we review a case of a patient who had IGM with superimposed Enterococcus avium infection. To our knowledge, such a report is considered unprecedented in the Middle East. A literature review on IGM will be presented, as well as the clinical presentation, association with bacterial infection, treatment, and pathological and radiographic findings.

A Lethal Manifestation of Chronic Active Epstein-Barr Virus Infection: A Case Report.

Chronic active Epstein-Barr virus infection (CAEBV) is a rare and lethal condition caused by persistent Epstein-Barr virus (EBV) infection. Signs and symptoms of CAEBV infection include fever, lymphadenopathy, and hepatosplenomegaly. Due to life-threatening consequences such as multiple organ failure, hemophagocytic syndrome, EBV-positive lymphoproliferative illness, and coagulopathy, early identification is important for successful therapy. However, because of the wide range of clinical symptoms, it might be difficult to diagnose the disease due to limited clinical experience and a low number of reports. We report a case of CAEBV in a 59-year-old woman from Saudi Arabia. We present the hospital course of the patient from admission until the patient's death as well as the clinical and pathological findings with a review of the literature. This is a rare case of CAEBV in Saudi Arabia.

A Mixed Neuroendocrine/Non-Neuroendocrine Neoplasm Arising in the Background of Ulcerative Colitis: A Case Report and Review of the Literature.

BACKGROUND Inflammatory bowel disease (IBD) is a chronic, potentially life-long, disorder, including ulcerative colitis (UC) and Crohn's disease (CD). Ulcerative colitis (UC) is an idiopathic chronic inflammatory disorder affecting the mucosa of the colon; it starts at the rectum and continues proximally in a continuous pattern to include up to the entire colon, called pancolitis. Patients with ulcerative colitis are at particularly higher risk of developing colorectal cancer (CRC) than the general population. Adenocarcinoma is the most common type of colorectal malignancy reported in the general population and IBD patients. One of the rarest types reported are the neuroendocrine neoplasms (NENs), which account for only 1% of all colorectal cancers, and it is very infrequent in IBD patients. Moreover, mixed neuroendocrine/non-neuroendocrine neoplasm (MiNEN) is a rare aggressive subtype of NENs that involves the colon in the background of an underlying chronic inflammatory process. CASE REPORT A 57-year-old woman, known to have long-term cirrhosis and ulcerative colitis, came to the Emergency Department with a suspected large-bowel obstruction. Imaging (CT scan of the abdomen) showed an obstructive transverse colon mass along with multiple descending colon masses. Biopsy of the transverse tumor confirmed the diagnosis of mixed neuroendocrine/non-neuroendocrine neoplasm (MiNEN). CONCLUSIONS Although neuroendocrine tumors are rare, strong association exist between MiNENs and ulcerative colitis. Further studies and reports can help better understand the pathogenesis, diagnosis, management, and prognosis of these cases.

Disseminated Intra-abdominal Actinomycosis Mimicking Colorectal Carcinoma With Diffuse Intra-abdominal Carcinomatosis: A Case Report.

Actinomycosis is a rare opportunistic bacterial infection. It most commonly affects the cervicofacial area and is less common in the gastrointestinal area. Because of the ambiguous clinical pictures, there is a low preoperative diagnosis rate and a high rate of misdiagnoses. In this case report, we have an unusual presentation of disseminated abdominal actinomycosis in a diabetic male patient with no previous history of surgery or trauma. He presented with abdominal pain for two years. Abdominal imaging showed rectal wall thickening with adhesion and attachment to the bladder, and small bowel with omental and peritoneal deposits, mimicking colorectal cancer with abdominal carcinomatosis. Histopathological examination, however, revealed actinomyces infection with no evidence of malignancy. In such cases, the recovery rate with antibiotic therapy is very high in conjunction with surgical resection.