A 67-year-old man was admitted to emergency service with cough, shortness of breath, lethargia, and fatigue. He had no medications. He was diagnosed with cyanotic and auscultation of the thorax showing coarse rales. Computer tomography image of the thorax showed bilateral multilobar peripherally located ground glass opacities which were characteristic of COVID-19 and the polymerase chain reaction test for COVID-19 was positive. Laboratory test results showed…

A 28-year-old female patient presented with intermittent bloody stool for more than ten days. Physical examination was unremarkable except for anemic appearance. Abdominal computed tomography showed a soft tissue shadow in the ileocecum along with multiple small lymph nodes in the ileocecal part.

A 3-year-old child presented with a non-tender mass in the dorsal region of his foot. No history of trauma was reported. The skin above the lesion was slightly warm without local bruising. Routine laboratory examinations were unremarkable, except for an elevated C-reactive protein level of 6.13 mg/dL. X-ray scan of the foot revealed…

An 85-year-old man presented with a 3-month history of weight loss and anorexia. He had no history of tuberculosis and his physical examination and chest radiography were normal. Bilateral adrenal masses were seen on abdominal computed tomography scan. Serological test for HIV was negative.

A 6-year-old male patient was presented with a two-month history of polyuria and polydipsia. The patients 24-hour urine osmolality was 79 mOsm/kg and he lost 5.2% of his weight after 7-hour water deprivation test. His renal functions were normal, his polyuria and polydipsia resolved on treatment with 60 mg desmopressin.

A 1.5-year-old Egyptian boy is presented with widespread, brownish, hyperkeratotic, and slightly verrucous plaques on the skin since the age of two months. The patient has no history of blistering or generalized cutaneous redness at or after birth. Upon physical examination, brownish, verrucous plaques.

A 70-year-old man is admitted to the hospital with symptoms of fatigue and dyspnea. A total blood count shows leukocytosis with an increased lymphocyte count. In a short time, his white blood cell count is dramatically increased and flow cytometry reveals a phenotype that is positive for CD20, CD19, and CD5.

On February 4, 2020, a 50-year-old female patient applies with a week-long complaint such as; fever, diarrhea, anorexia and asthenia. In its history, there is a five-day business trip in Wuhan. Fever initially occurs on January 28, 2020, with a body temperature of 38.5 C, dry cough and muscle pain.

A 32-year-old woman is hospitalized with multiple symmetrical swelling around her neck and symmetrical hyperpigmented and erythema nodosum-like lesions on the anterior surface of the lower extremities. C-reactive protein and erythrocyte sedimentation rate is high in blood tests; capillary protein electrophoresis shows polyclonal hypergamaglobulinemia.

A 54-year-old male patient was admitted with a 3-day history of fever. Physical examination revealed bilateral edema in the lower extremities. Laboratory studies did not reveal any abnormalities, including serum immunoglobulins and monoclonal protein. Computed tomography showed mild splenomegaly and 18F-FDG-PET/CT revealed pleural effusion and systemic mild lymphadenopathy.

A 61-year-old man with a history of hospitalization for acute decompensated heart failure and pulmonary edema was admitted to the intensive cardiac care unit with fatigue, shortness of breath, and bilateral leg edema. Upper extremity musculoskeletal examination shows bunching of the biceps when the patient flexed his arm.