Breaking barriers: The impact of telemedicine on improving soft tissue and bone tumor management in Armenia.

Purpose: Musculoskeletal sarcomas are a rare group of malignant neoplasms, accounting for approximately 12 % of all malignant neoplasms among children. Childhood cancer outcomes vary between developed and developing countries due to financial and educational inequalities. Telemedicine programs have a huge impact on the quality of cancer care, helping to optimize resources for better cancer care in a resource-limited setting.

Disseminated Bartonella henselae disease mimicking Langerhans' cell histiocytosis.

Bartonella henselae, the causative agent of cat-scratch disease, has been recognized to be responsible for a broad range of clinical syndromes. We report the case of a patient with disseminated B. henselae infection mimicking Langerhans cell histiocytosis at presentation and its successful management with neurosurgery, prolonged antibacterial therapy, and observation.

99mTc-MDP SPECT-CT and Ultrasound in the Diagnosis and Staging of Thyroid Metastasis From Osteosarcoma.

The classification of thyroid nodules in children is often difficult, especially in pretreated patients with metastatic disease. In osteosarcoma patients, Tc-MDP SPECT/CT is used for primary and follow-up staging. Bone and soft tissue metastases can be revealed because of Tc-MDP imaging of osteoid-producing metastases.

Forensic age estimation in living subjects based on ultrasound examination of the ossification of the olecranon.

Radiation-free imaging procedures for the purposes of forensic age diagnosis are highly desirable, especially for children. With this in mind, the stage of ossification of the olecranon was prospectively determined in 309 male and 307 female healthy volunteers aged between 10 and 25 years, based on ultrasound. A four-stage classification system was used for this purpose.

[Sonographic examination on the time frame of ossification of the distal fibula epiphysis].

In order to increase the reliability of forensic age estimations in living adolescents and young adults without justification for X-ray examinations, the establishment of radiation-free imaging procedures is desirable. In this study, the ossification stage of the right-hand distal fibula epiphysis was sonographically determined prospectively in 309 male and 307 female healthy volunteers. For this purpose a four-stage classification system was used.

Sonographic assessment of the ossification of the medial clavicular epiphysis in 616 individuals.

Establishing radiation-free imaging methods for the assessment of clavicular ossification in forensic age determination is desirable as it reduces radiation exposure in living individuals. For this purpose the stage of ossification of the right medial clavicular epiphysis was determined prospectively using sonography in 309 male and 307 female healthy volunteers. The classification of stages according to Schulz et al.

Ultrasound studies on the time course of clavicular ossification.

When preparing forensic age estimates for living subjects over 18 years of age, it is crucial to evaluate the stage of ossification of the medial clavicular epiphysis. The establishment of radiation-free imaging techniques for assessment of clavicular ossification would be desirable in order to reduce the radiation exposure associated with forensic age estimations. In the present study, 84 right clavicles of test subjects 12-30 years of age were prospectively evaluated by means of ultrasound.

Portable flat-panel detector for low-dose imaging in a pediatric intensive care unit: comparison with an asymmetric film-screen system.

Objective: We sought to evaluate the diagnostic performance of a portable indirect flat-panel detector for low-dose imaging as compared with an asymmetric film-screen system in a pediatric intensive care unit.

Materials And Methods: A total of 120 neonates underwent chest radiographs using a portable flat-panel detector (digital speed 800) and an asymmetric film-screen system (400 speed). Four readers evaluated the detection of 11 anatomic and 5 pathologic landmarks and 4 support devices.

Experimental evaluation of a portable indirect flat-panel detector for the pediatric chest: comparison with storage phosphor radiography at different exposures by using a chest phantom.

Purpose: To compare the exposure dose requirements and performance of a portable indirect flat-panel detector for pediatric use in the depiction of catheters, simulated pulmonary nodules, and simulated interstitial lung disease with those of storage phosphor radiography.

Materials And Methods: Catheters and simulated nodules and subtle interstitial lung disease (miliary, reticular, linear, and ground-glass patterns) were superimposed over an anthropomorphic chest phantom. Images were obtained with different exposures corresponding to simulated speeds of 400 and 800 with a portable flat-panel detector and printed on hard copies.

Concomitant Ewing sarcoma and acute lymphoblastic leukemia in a 5-year-old girl.

Malignancies from the Ewing family of tumors and acute lymphoblastic leukemia (ALL) are not known to be associated with each other. A 5-year-old girl was incidentally found to suffer from acute lymphoblastic leukemia during bone marrow staging for Ewing sarcoma of the radius. The simultaneous presence of two distinct neoplasms was confirmed by RT-PCR, with EWS/FLI1 type 1 rearrangement in the bone tumor and TEL/AML1 rearrangement in the marrow.

Kirner's deformity of all fingers in a 5-year-old girl: soft-tissue enhancement with normal bones on contrast-enhanced MRI.

Kirner's deformity is an uncommon, but characteristic volar-radial incurvature of the distal phalanx of the little finger. We report a 5-year-old girl with dystelephalangy of all fingers. Some members of the mother's family showed dystelephalangy of the little fingers; the father's family history was unaffected.