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Abstract Coronavirus disease 2019 (COVID‐19), caused by the severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2), can manifest itself in several ways, including coagulopathy and thrombosis. These complications can be the first and sometimes only manifestations of SARS‐CoV‐2 infection and can occur early or late in the course of the disease. However, these symptoms are more prevalent in hospitalized patients with venous thromboembolism, particularly those admitted to intensive care units. Moreover, various forms of arterial and venous thrombosis, or micro‐ or macro‐vasculature embolisms, have been reported during the current pandemic. They have led to harmful consequences, such as neurological and cardiac events, nearly all resulting from the hypercoagulable state caused by this viral infection. The severe hypercoagulability observed in patients with COVID‐19 accounts for most cases of the disease that become critical. Therefore, anticoagulants seem to be one of the most vital therapeutics for treating this potentially life‐threatening condition. In the current paper, we present a thorough review of the pathophysiology of COVID‐19‐induced hypercoagulable state and the use of anticoagulants to treat SARS‐CoV‐2 infections in different patient groups, as well as their pros and cons.

Key Clinical Message Maggot therapy is one of the treatments used in diabetic foot ulcer management. But if we do not pay attention to the indications and contraindications of it, there might be a failure in the treatment.

Key Clinical Message Lyme neuroborreliosis is the manifestation of Lyme borreliosis that impacts the nervous system. It gives rise to various neurological and psychiatric conditions, and its diagnosis is challenging. The timely administration of antibiotics is effective. Abstract A male patient, aged 55, was admitted to the emergency department due to the sudden onset of tonic–clonic seizures. All standard laboratory examinations yielded unremarkable outcomes, except a favorable Wright and 2‐mercaptoethanol test. The examination of cerebrospinal fluid revealed the presence of 380 white blood cells per milliliter. The protein level was also elevated, while the glucose level was within the normal range. The results of the serologic tests indicated the presence of both IgG and IgM antibodies to Borrelia burgdorferi. Following the administration of ceftriaxone, a significant improvement was observed in the patient's medical status, and he was subsequently discharged. Lyme neuroborreliosis is the manifestation of Lyme borreliosis that impacts the nervous system. It gives rise to various neurological and psychiatric conditions, and its diagnosis is challenging. The timely administration of antibiotics is effective in treating patients.

Abstract A 32‐year‐old woman with a history of hypothyroidism and major depressive disorder was admitted with severe weakness and somnolence. She had tachycardia and hypotension, indicative of severe dehydration, and was treated with a vasopressor and sodium bicarbonate, but her clinical manifestations deteriorated. A high‐resolution computed tomography (HRCT) scan showed a patchy ground glass appearance with interlobular septal thickening, suggesting pneumonia. Reverse transcription‐polymerase chain reaction (RT‐PCR) was requested for the influenza A virus (IAV), which was positive. The patient was treated with oseltamivir and discharged with improved clinical symptoms.

Abstract A novel coronavirus, or severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2), was identified as the causative agent of coronavirus disease 2019 (COVID‐19). In early 2020, the World Health Organization declared COVID‐19 the sixth public health emergency of international concern. The COVID‐19 pandemic has substantially affected many groups within the general population, but particularly those with extant clinical conditions, such as having or being treated for cancer. Cancer patients are at a higher risk of developing severe COVID‐19 since the malignancy and chemotherapy may negatively affect the immune system, and their immunocompromised condition also increases the risk of infection. Substantial international efforts are currently underway to develop specific methods for diagnosing and treating COVID‐19. However, cancer patients’ risk profiles, management, and outcomes are not well understood. Thus, the main objective of this review is to discuss the relevant evidence to understand the prognosis of COVID‐19 infections in cancer patients more clearly, as well as helping to improve the clinical management of these patients.

Abstract Tuberculosis (TB) primarily involves the respiratory tract, but any organ in the body can be affected. In recent years, extrapulmonary TB cases have significantly increased due to the prevalence of immunocompromised patients. Here, we report a case of unilateral ankle arthritis due to Mycobacterium tuberculosis infection.

Abstract Coronavirus disease 2019 (COVID‐19) vaccines significantly impacted world health and well‐being. However, various adverse events have been observed following severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) vaccination. Cutaneous reactions have been prevalent following many vaccines, including COVID‐19 vaccines. Here, we present a case of new‐onset lichen planus in a patient who received the COVID‐19 vaccine at the same time as being infected with SARS‐CoV‐2. A 52‐year‐old woman presented to the clinic with extensive pruritic skin lesions. The eruptions had appeared a week after her second dose of the Sinopharm COVID‐19 vaccine. She mentioned a history of SARS‐CoV‐2 infection approximately 10 days following the first dose of her vaccine, causing a 1‐month delay in getting the second dose. Her past medical history was not significant. On examination, erythematous and squamous papules were demonstrated predominantly on the extremities, including inguinal and axillary folds. Moreover, desquamation of the lips was visible, and buccal lesions were also found. After consultation with a dermatologist, a skin biopsy was indicated for the patient, but she refused to undergo the procedure. Therefore, considering the typical appearance of the eruptions, lichen planus was suspected, for which she was treated with oral antihistamines and topical corticosteroids.