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Found 13 results

  1. Version 1.0.0

    8 downloads

    This model is the right knee skin rendering of a 65-year-old male with left thigh myxoid fibrosarcoma. At the time of diagnosis, the patient had metastases to his lungs. The patient therefore underwent neoadjuvant radiotherapy, surgery, and adjuvant chemotherapy and was found to have an intermediate grade lesion at the time of diagnosis. The patient is still living with the metastatic disease at 2.5 years since diagnosis. This is an STL file created from DICOM images of his CT scan which may be used for 3D printing. Landmarks of the lower extremity consist of bony and muscular landmarks. Prior to incision, the bone landmarks should be palpated and drawn. The patella is the largest sesamoid bone (bone located within a tendon) and is located on the anterior aspect of the knee. Along with the femur, it forms the patellofemoral joint, providing a mechanical advantage to leg extension. The quadriceps tendon inserts proximally and the patellar tendon inserts distally. The patellar tendon attaches to the tibial tubercle on the anterior aspect of the tibia. On the anteromedial surface of the tibia is Gerdy's tubercle, where the sartorius, gracilis, and semitendinosus attach. Laterally, the head of the fibula may be palpated, which is the attachment for the posterolateral corner structures of the knee joint. The peroneal nerve wraps around the fibular neck, and a tinel’s sign may be elicited due to its superficial position at this location. The knee joint can be palpated and must be accurately located in order to provide landmarks for surgeries such as arthroscopy and arthroplasty. Typically, pain with palpation of the joint line is indicative of knee pathologies such as osteoarthritis or a meniscal tear, with point tenderness at the area of the tear. Proper landmarks are essential for the success of procedures about the knee, and therefore the skin should be adequately evaluated prior to any procedure. This model was created from the file STS_022.

    Free

  2. Version 1.0.0

    2 downloads

    This is a 3D printable STL medical file converted from a CT scan DICOM dataset of a 78-year old female that was presented by left thigh swelling( note the difference in contour between both sides), pathological examination revealed it to be malignant fibrous histiocytosis ( pleomorphic sarcoma) of high grade malignancy. The patient underwent MRI and PET scan 7 and 8 days after the pathological examination respectively. Her treatment plan was combined surgical excision and radiotherapy. 66 days later she developed regional recurrence. After 377 days of follow up, The patient was alive with disease. ( STS-020)

    Free

  3. Version 1.0.0

    64 downloads

    The radius and the ulna are long, slightly curved bones that lie parallel from the elbow, where they articulate with the humerus, to the wrist, where they articulate with the carpals. The radius is located laterally, near the thumb, and the ulna medially, near the little finger. The radius and the ulna have a styloid process at the distal end; they are also attachment sites for many muscles.The radius is smaller than the ulna. A total of 27 bones constitute the basic skeleton of the wrist and hand. These are grouped into carpals, metacarpals, and phalanges. The wrist is the most complex joint in the body. It is formed by 8 carpal bones grouped in 2 rows with very restricted motion between them. From radial to ulnar, the proximal row consists of the scaphoid, lunate, triquetrum, and pisiform bones. In the same direction, the distal row consists of the trapezium, trapezoid, capitate, and hamate bones. The hand contains 5 metacarpal bones. Each metacarpal is characterized as having a base, a shaft, a neck, and a head. The first metacarpal bone (thumb) is the shortest and most mobile. It articulates proximally with the trapezium. The other 4 metacarpals articulate with the trapezoid, capitate, and hamate at the base. Each metacarpal head articulates distally with the proximal phalanges of each digit. The hand contains 14 phalanges. Each digit contains 3 phalanges (proximal, middle, and distal), except for the thumb, which only has 2 phalanges. To avoid confusion, each digit is referred to by its name (thumb, index, long, ring, and small) rather than by number. This is 3D printable medical file converted from a CT scan DICOM dataset of a 48-year old female.

    Free

  4. Version 1.0.0

    1 download

    This is a 3D printable STL file converted from a CT scan DICOM dataset of a 54-year old male patient that was presented by a left thigh swelling. Histopathological examination revealed it to be extra-skeletal Ewing sarcoma of high grade of malignancy. 10 days prior to the diagnosis, the patient underwent MRI. 21 days after the diagnosis had been made the patient underwent PET scan examination as a part of his metastatic workup.His treatment plan was a combined chemotherapy/surgical resection of the tumor. 525 days later, the patient developed lung metastasis. 265 days later, the patient died.(STS-017)

    Free

  5. Version 1.0.0

    1 download

    This is a 3D printable medical file of a CT scan DICOM dataset of a 48-year old female that was presented by right hand swelling, pathological examination revealed it to be undifferentiated malignant fibrous histiocystosis of high grade of malignancy. 28 days prior to the pathological examination, the patient underwent MRI. 30 days after the diagnosis had been made, the patient underwent PET scan. Her treatment plan was combined surgical excision/radiotherapy. after 1082 days of follow up, the patient showed no evidence of disease.(STS_019)

    Free

  6. Version 1.0.0

    14 downloads

    The ankle joint is a hinged synovial joint with primarily up-and-down movement (plantarflexion and dorsiflexion). However, when the range of motion of the ankle and subtalar joints (talocalcaneal and talocalcaneonavicular) is taken together, the complex functions as a universal joint. The bony architecture of the ankle consists of three bones: the tibia, the fibula, and the talus. The articular surface of the tibia is referred to as the plafond. The medial malleolus is a bony process extending distally off the medial tibia. The distal-most aspect of the fibula is called the lateral malleolus. Together, the malleoli, along with their supporting ligaments, stabilize the talus underneath the tibia. The bony arch formed by the tibial plafond and the two malleoli is referred to as the ankle "mortise" (or talar mortise). The mortise is a rectangular socket. The ankle is composed of three joints: the talocrural joint (also called talotibial joint, tibiotalar joint, talar mortise, talar joint), the subtalar joint (also called talocalcaneal), and the Inferior tibiofibular joint. The joint surface of all bones in the ankle are covered with articular cartilage. This a 3D printable medical file converted from a CT scan DICOM dataset of a 75-year old female.

    Free

  7. Version 1.0.0

    18 downloads

    The bones of the leg and foot form part of the appendicular skeleton that supports the many muscles of the lower limbs. These muscles work together to produce movements such as standing, walking, running, and jumping. At the same time, the bones and joints of the leg and foot must be strong enough to support the body’s weight while remaining flexible enough for movement and balance. The tibia and fibulaare the bones that support the leg. The larger tibia or shinebone is located medial to the fibula and bears most of the weight. At the superior (proximal) end of the tibia, a pair of flattened condyles articulate with the rounded condyles at the distal end of the femur to form the knee joint joint. The tibia and fibula articulate at two sites. At the knee, a superior (proximal) tibiofibular joint is formed by the lateral tibial condyle and head of the fibula. At the ankle, an inferior (distal) tibiofibular joint is formed by the lower fibula and a lateral concavity (notch) on the lower tibia. The feet are flexible structures of bones, joints, muscles, and soft tissues that let us stand upright and perform activities like walking, running, and jumping. The feet are divided into three sections: -The forefoot contains the five toes (phalanges) and the five longer bones (metatarsals). -The midfoot is a pyramid-like collection of bones that form the arches of the feet. These include the three cuneiform bones, the cuboid bone, and the navicular bone. -The hindfoot forms the heel and ankle. The talus bone supports the leg bones (tibia and fibula), forming the ankle. The calcaneus (heel bone) is the largest bone in the foot. This is a 3D printable medical file converted from a CT scan dicom dataset of a 75-year female.

    Free

  8. Version 1.0.0

    14 downloads

    The bones of the leg and foot form part of the appendicular skeleton that supports the many muscles of the lower limbs. These muscles work together to produce movements such as standing, walking, running, and jumping. At the same time, the bones and joints of the leg and foot must be strong enough to support the body’s weight while remaining flexible enough for movement and balance. The tibia and fibulaare the bones that support the leg. The larger tibia or shinebone is located medial to the fibula and bears most of the weight. At the superior (proximal) end of the tibia, a pair of flattened condyles articulate with the rounded condyles at the distal end of the femur to form the knee joint joint. The tibia and fibula articulate at two sites. At the knee, a superior (proximal) tibiofibular joint is formed by the lateral tibial condyle and head of the fibula. At the ankle, an inferior (distal) tibiofibular joint is formed by the lower fibula and a lateral concavity (notch) on the lower tibia. The feet are flexible structures of bones, joints, muscles, and soft tissues that let us stand upright and perform activities like walking, running, and jumping. The feet are divided into three sections: -The forefoot contains the five toes (phalanges) and the five longer bones (metatarsals). -The midfoot is a pyramid-like collection of bones that form the arches of the feet. These include the three cuneiform bones, the cuboid bone, and the navicular bone. -The hindfoot forms the heel and ankle. The talus bone supports the leg bones (tibia and fibula), forming the ankle. The calcaneus (heel bone) is the largest bone in the foot.

    Free

  9. Version 1.0.0

    1 download

    This model is the right thigh muscle rendering of a 49-year-old male with a right medial thigh undifferentiated pleomorphic malignant fibrous histiocytoma (MFH). The patient underwent neoadjuvant radiotherapy, surgery, and adjuvant chemotherapy treatment and was found to have a high-grade lesion at the time of diagnosis. Metastases to his lungs were also found at diagnosis. The patient is still living with the disease at 2 years since diagnosis. This is an STL file created from DICOM images of his CT scan which may be used for 3D printing. Undifferentiated pleomorphic MFH has more recently been classified as Undifferentiated Pleomorphic Sarcoma. This is the most common soft tissue sarcoma in late adulthood, commonly occurring between 55 to 80 years old and most commonly in Caucasian males. Clinically, it presents as a slowly growing mass in the extremities. Biopsy of the lesion demonstrates, as its name implies, an undifferentiated and pleomorphic appearance. Pleomorphism is the pathologic description of cells and nuclei with variability in size, shape, and staining, which is characteristic of a malignant neoplasm. “Undifferentiated” means that the tissue does not appear like an identifiable tissue structure. Treatment consists of wide resection and radiation. Chemotherapy is added in cases of metastasis, most commonly to the lung. Five-year survival is between 35-60% depending on the grade of tumor and metastases. This model was created from the file STS_021.

    Free

  10. Version 1.0.0

    23 downloads

    This is the normal right foot and ankle muscle model of a 56-year-old male with right anterior thigh pleomorphic leiomyosarcoma. This is an STL file created from DICOM images of his CT scan which may be used for 3D printing. The primary motions of the ankle are dorsiflexion, plantarflexion, inversion, and eversion. However, with the addition of midfoot motion (adduction, and abduction), the foot may supinate (inversion and adduction) or pronate (eversion and abduction). In order to accomplish these motions, muscles outside of the foot (extrinsic) and muscles within the foot (intrinsic) attach throughout the foot, crossing one or more joints. Laterally, the peroneus brevis and tertius attach on the proximal fifth metatarsal to evert the foot. The peroneus longus courses under the cuboid to attach on the plantar surface of the first metatarsal, acting as the primary plantarflexor of the first ray and, secondarily, the foot. Together, these muscles also assist in stabilizing the ankle for patients with deficient lateral ankle ligaments from chronic sprains. Medially, the posterior tibialis inserts on the plantar aspect of the navicular cuneiforms and metatarsal bases, acting primarily to invert the foot and secondarily to plantarflex the foot. The flexor hallucis longus inserts on the base of the distal phalanx of the great toe to plantarflex the great toe, and the flexor digitorum inserts on the bases of the distal phalanges of the lesser four toes, acting to plantarflex the toes. The gastrocnemius inserts on the calcaneus as the Achilles tendon and plantarflexes the foot. Anteriorly, the tibialis anterior inserts on the dorsal medial cuneiform and plantar aspect of the first metatarsal base as the primary ankle dorsiflexor and secondary inverter. The Extensor hallucis longus and extensor digitorum longus insert on the dorsal aspect of the base of the distal phalanges to dorsiflex the great toe and lesser toes, respectively. This model was created from the file STS_014.

    Free

  11. Version 1.0.0

    17 downloads

    This is the normal left leg muscle model (including foot) of a 56 year old male with right anterior thigh pleomorphic leiomyosarcoma. This is an STL file created from DICOM images of his CT scan which may be used for 3D printing. The lower leg is divided into four muscle compartments: the anterior, lateral, superficial posterior, and deep posterior compartments. The anterior compartment is made from the dorsiflexors, including the tibialis anterior, extensor hallucis longus (EHL), extensor digitorum longus (EDL) and peroneus tertius, which are innervated by the deep peroneal nerve. The lateral compartment includes the peroneus longus and peroneus brevis, which assist in foot eversion and are innervated by the superficial peroneal nerve. The superficial posterior compartment includes the gastrocnemius, soleus, and plantaris, which assist in plantarflexion and are innervated by the tibial nerve. The deep posterior compartment is made up of the popliteus, flexor hallucis longus (FHL), flexor digitorum longus (FDL), and tibialis posterior, which mostly assist in plantarflexion and are innervated similarly by the tibial nerve. This file was created from the file STS_014.

    Free

  12. Version 1.0.0

    16 downloads

    This is the normal right leg muscle model (including foot) of a 56 year old male with right anterior thigh pleomorphic leiomyosarcoma. This is an STL file created from DICOM images of his CT scan which may be used for 3D printing. The lower leg is divided into four muscle compartments: the anterior, lateral, superficial posterior, and deep posterior compartments. The anterior compartment is made from the dorsiflexors, including the tibialis anterior, extensor hallucis longus (EHL), extensor digitorum longus (EDL) and peroneus tertius, which are innervated by the deep peroneal nerve. The lateral compartment includes the peroneus longus and peroneus brevis, which assist in foot eversion and are innervated by the superficial peroneal nerve. The superficial posterior compartment includes the gastrocnemius, soleus, and plantaris, which assist in plantarflexion and are innervated by the tibial nerve. The deep posterior compartment is made up of the popliteus, flexor hallucis longus (FHL), flexor digitorum longus (FDL), and tibialis posterior, which mostly assist in plantarflexion and are innervated similarly by the tibial nerve. This file was created from the file STS_014.

    Free

  13. Version 1.0.0

    4 downloads

    This is the normal right leg bone model (including foot) of a 56 year old male with right anterior thigh pleomorphic leiomyosarcoma. This is an STL file created from DICOM images of his CT scan which may be used for 3D printing. The leg includes the area between the knee and the ankle and houses the tibia and fibula. The proximal tibia includes the medial plateau (which is concave) and the lateral plateau (which is convex). The Proximal tibia has a 7-10 degree posterior slope. The tibial tuberosity is located on the anterior proximal tibia, which is where the patellar tendon attaches. On the anteromedial surface of the tibia is Gerdy's tubercle, where the sartorius, gracilis, and semitendinosus attach. The distal tibia creates the superior and medial (plafond and medial malleolus) of the ankle joint. The proximal fibula is the attachment for the posterolateral corner structures of the knee joint. The peroneal nerve wraps around the fibular neck. The distal fibula is the lateral malleolus and a common site for ankle fractures. This model was created from the file STS_014.

    Free

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