Aeromonas hydrophila has been identified as a causative agent of necrotizing fasciitis and myonecrosis, with most reported cases having a connection to aquatic-related trauma. Cases without such trauma history are rare in existing literature. Here, we present the case of a 56-year-old cirrhotic patient who lacked any prior aquatic-related trauma and arrived at the emergency department in a state of septic shock. The suspected route of entry was through necrotizing fasciitis and myonecrosis in his left forearm. Unfortunately, the patient succumbed to multi-organ failure and passed away within 12 hours of admission to the emergency department.

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Necrotizing otitis externa (NOE) is an aggressive and fast-evolving infection of the external auditory canal. Late diagnoses and untreated cases can lead to severe, even fatal consequences and so early diagnosis and treatment are paramount. NOE is a notoriously challenging diagnosis to make. It is therefore important to understand what diagnostic modalities are available and how otolaryngologists can use them to accurately treat such an aggressive disease. This review aims to evaluate the different diagnostic options available in NOE and discuss their advantages and limitations, thus, providing an up-to-date picture of the multimodal approach required in the diagnosis of this disease.

BACKGROUND: Cervical necrotizing fasciitis (CNF) is a rare, aggressive form of deep neck space infection with significant morbidity and mortality rates. Serial surgical debridement acts as the cornerstone of CNF treatment; however, it often results in defects requiring complex reconstructions.
METHODS: We report two cases in which the keystone flap (KF) was used for CNF defect coverage: Case 1, an 85-year-old patient with CNF in the anterior neck, and Case 2, a 54-year-old patient with CNF in the posterior neck. Both patients received empirical intravenous antibiotic therapy and underwent serial debridement, enabling adequate wound preparation and stabilization. The final defect size measured 5.5 cm × 12 cm in Case 1 and 6 cm × 11 cm in Case 2. For defect coverage, we employed an 8 cm × 19 cm type II KF based on perforators from the superior thyroid artery in Case 1 and a 9 cm × 18 cm type II KF based on perforators from the transverse cervical artery in Case 2. Both flaps showed complete survival. No postoperative complications occurred in both cases, and favorable outcomes were observed at 7- and 6-month follow-ups in case 1 and 2, respectively.
CONCLUSIONS: We effectively treated CNF-associated defects using the KF technique; KF is viable for covering CNF defects in carefully selected cases.

Urothelial carcinoma of the bladder remains a challenging disease to treat. Intravesical instillation of BCG has demonstrated tremendous efficacy in preventing recurrence. BCG related necrotizing granulomatous epididymo-orchitis is rare and has not been previously linked to brachytherapy for adenocarcinoma of the prostate. We hypothesize that prior brachytherapy has a deleterious effect on the verumontanum that can result in retrograde transmission of BCG particles leading to granulomatous epididymo-orchitis. This is the first case report of necrotizing granulomatous epididymo-orchitis related to BCG in a patient status post brachytherapy for adenocarcinoma of the prostate.

Extravasation injuries are uncommon, underreported, and often misdiagnosed in patients. The signs and symptoms of extravasation injuries vary from simple pain and tenderness to tissue necrosis and potentially fatal secondary infections. Extravasation may progress to more severe conditions such as necrotizing fasciitis (NF) or cellulitis, so special care is needed by physicians to identify and treat these injuries correctly. Here, we explore a case study on extravasation injuries mimicking NF leading to infectious complications and discuss the proper diagnosis and treatment of extravasation injuries as well as other NF-mimicking diseases. We present a case of a 44-year-old Hispanic male with a history of B-cell acute lymphoblastic leukemia who underwent inpatient chemotherapy treatment via a chest port.

Skull base osteomyelitis (SBO) is a late manifestation of complicated otogenic infections that presents a diagnostic challenge. Delayed or missed diagnoses lead to high morbidity and mortality and can be attributed to non-specific symptoms, subtle early radiologic findings, radiologic mimicry of nasopharyngeal carcinoma (NPC), and under-recognition from clinician and radiologists. This pictorial review aims to emphasize on early imaging recognition and distinction between SBO and NPC.

Necrotizing fasciitis (NF) is an aggressive and potentially life-threatening infection of the superficial fascia and surrounding skin, fat, fascia, muscle, and other soft tissue structures. Here, we outline the rare case of a 26-year-old man with a periorbital Streptococcus pyogenes A NF infection. Our case report underscores a unique instance of periorbital NF, distinctively presenting without any predisposing risk factors, shedding light on its presentation, treatment, and pathophysiology.

Necrotizing fasciitis is a clinical, surgical emergency characterized by an insidious onset, rapid progression, and a high mortality rate. The disease\'s mortality rate has remained high for many years, mainly because of its atypical clinical presentation, which prevents many cases from being diagnosed early and accurately, resulting in patients who may die from uncontrollable septic shock and multi-organ failure. But unfortunately, no diagnostic indicator can provide a certain early diagnosis of NF, and clinical judgement of NF is still based on the results of various ancillary tests combined with the patient\'s medical history, clinical manifestations, and the physician\'s experience. This review provides a brief overview of the epidemiological features of NF and then discusses the most important laboratory indicators and scoring systems currently employed to diagnose NF. Finally, the latest progress of several imaging techniques in the early diagnosis of NF and their combined application with other diagnostic indices are highlighted. We point out promising research directions based on an objective evaluation of the advantages and shortcomings of different methods, which provide a basis for further improving the early diagnosis of NF.

Many cases of adenopathies, whose differential diagnosis includes a wide spectrum of pathologies (including some malignant conditions like lymphoproliferative diseases, e.g., lymphomas), resort to primary healthcare. Kikuchi-Fujimoto disease is a rare, benign, self-limiting entity characterized by adenopathies, mainly in the cervical region, which may be associated with constitutional symptoms. This specific pathology is very rare in primary care and is often overlooked. That is why it is essential to promote medical literacy and provide support in managing these cases, which we want to emphasize through this case presentation. This case report presents a 24-year-old female patient who sought a consultation at the Family Health Unit due to a painful swelling in the right cervical region that lasted two weeks. She denied a history of recent infections or constitutional symptoms. A painful and hard right submaxillary mass, measuring 2 cm in diameter, was identified upon palpation. An analytical study and ultrasound of the soft tissues of the cervical region were initially required. Analytically, there were no relevant changes; however, the ultrasound revealed \"hypoechoic ganglion formations in the right laterocervical chains, from the retroauricular region to the lower region of the neck, the largest measuring 19x7mm\". The patient was reassessed one month later, due to an increase in the number of adenopathies, and a new ultrasound was performed that revealed \"supraclavicular adenopathy\". After that, she was referred to Secondary Healthcare (Central Hospital), where a lymph node biopsy was performed, with histological results of Kikuchi-Fujimoto disease. The patient maintains a follow-up in a hemato-oncology consultation, with painless adenopathies that, according to her, get worse with anxiety symptoms. Currently, the patient is being treated symptomatically, with stabilization of adenopathies and anxious manifestations. These patients need long-term follow-up due to the possibility of disease recurrence or the development of autoimmune processes. Although it is a diagnosis of exclusion, this disease must always be considered, since it can be mistaken with other serious pathologies that require aggressive treatments. Regarding the relationship between anxiety disorder and the worsening of adenopathies, although no conclusive evidence was found in the literature, there are some studies that have established a connection between inflammation and the deterioration of certain depressive symptoms.