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Animal models were designed to study the changes in immune function, oncogenicity and life span of rats, mice and fruit flies following light-dark (LD) shift manipulations. Alternating the photoperiod of LD 14:10 and DL 10:14 every 3 days in rats disrupted the circadian immune rhythm pattern,
A 28-year-old white male with AIDS-C3 staging, presented with an extensive hemorrhagic dark mass localized in the left orbit. No other ophthalmic findings were disclosed. Ultrasonography and computed axial tomographic scans showed orbital involvement. Orbital Kaposi's sarcoma is a rare finding and
The isolated myeloid sarcomas of the cervix are tumors whose forecast was dark for a long time. However, an effective but invasive treatment associating chemotherapy and radiotherapy allows for local remission. This treatment generally causes an ovarian failure and especially infertility. We report
Kaposi's sarcoma (KS) is a multifocal hemorrhagic sarcoma that occurs primarily on the extremities. KS limited to the penis is rare and a well-recognized manifestation of acquired immune deficiency syndrome (AIDS). However, KS confined to the penis is extraordinary in human immunodeficiency virus
Kaposi's sarcoma is a rare systemic disease with cutaneous and occasional visceral manifestations. A 39 year old male caucasian patient developed Kaposi's sarcoma 10 months after receiving a renal transplant; subacute pancreatitis was suspected because of the clinical symptoms on the first hand.
Epithelioid sarcoma located in the right hip-to-thigh region of a 58-year-old female was studied by light microscopy, immunohistochemistry, and electron microscopy. Light microscopy revealed both light and dark cells among the tumor cells. Round, homogeneous, eosinophilic bodies were noted
Ewing's sarcoma (ES) is a neoplasm of undifferentiated small round cells, which occurs in the bones and deep soft tissues of children and adolescents. We present a rare case of a 44-year-old woman with gastric ES presenting with epigastric pain and weight loss. Ultrasound and computed tomography
A successful surgical case of malignant undifferentiated (embryonal) sarcoma of the liver (USL), a rare tumor normally found in children, is reported. The patient was a 21-year-old woman, complaining of epigastric pain and abdominal fullness. Chemical analyses of the blood and urine and complete
Kaposi's sarcoma (KS) is a spindle-shaped vascular cell tumor that occurs in the skin, lymphoid, respiratory and gastrointestinal tissues. It may resemble aggressive malignant neoplasm in HIV-related or in post-transplant types but classic form may behave as benign, potentially controllable and
A human synovial sarcoma cell line (HSS-84), from a painful mass excised locally near the left sternoclavicular joint, was established and has been continuously propagated in vitro for more than one year through 54 passages till the end of 1985. Doubling time was 65 hr. The index of mitosis was
Kaposi sarcoma (KS) is the most commonly diagnosed malignancy in HIV-infected patients. With new treatments, incidence and severity of KS have significantly decreased. A 57-year-old African American male with medical history of AIDS presented with progressively worsening cough, shortness of breath,
Clear cell sarcoma (CCS) of soft tissue is a rare malignant soft tissue sarcoma usually reported to locate at distal end of extremities and rarely at trunk. Herein, we report a case of CCS in pleural cavity.CASE SUMMARY
A 31-year-old male was admitted
Melatonin is an indole produced by the pineal gland at night under normal light or dark conditions, and its levels, which are higher in children than in adults, begin to decrease prior to the onset of puberty and continue to decline thereafter. Apart from circadian regulatory actions, melatonin has
BACKGROUND
Kaposi sarcoma (KS) in patients who are seronegative and seropositive for human immunodeficiency virus is currently the most common malignant tumor in central Africa. It accounts for 50% of all tumors reported in central African countries. Owing to the rising number of patients and the
BACKGROUND
Kaposi's sarcomas are the most frequent malignancies in patients with AIDS and there is increasing evidence of an association with human Herpesvirus 8 (HHV-8). A reconstitution of the immune response due to different regimens of highly active antiretroviral therapy (HAART) is the most