1.Fascial entrapment of the sural nerve and its clinical relevance.
George K PARASKEVAS ; Konstantinos NATSIS ; Maria TZIKA ; Orestis IOANNIDIS
Anatomy & Cell Biology 2014;47(2):144-147
Sural nerve presents great topographic variability and it is responsible for sensory innervation of the posterolateral side of the distal third of the leg and lateral aspect of the foot. Entrapment of the nerve could be caused by compression due to fascial thickening, while the symptomatology includes sensory alterations and deficits at the nerve distribution area. We report a cadaveric case of a variant sural nerve that presented a distinct entrapment site. A supernumerary sensory branch was encountered originating from the common peroneal nerve, while the peroneal component of the sural nerve was observed to take a course within a fibrous fascial tunnel 3.1 cm in length that caused nerve fixation and flattening. The tension applied to the aforementioned branch was shown to worsen during passive forcible foot plantaflexion and inversion. The etiology, diagnosis and the treatment options are discussed comprehensively.
Cadaver
;
Diagnosis
;
Fascia
;
Foot
;
Leg
;
Peroneal Nerve
;
Sural Nerve*
2.Fascial entrapment of the sural nerve and its clinical relevance.
George K PARASKEVAS ; Konstantinos NATSIS ; Maria TZIKA ; Orestis IOANNIDIS
Anatomy & Cell Biology 2014;47(2):144-147
Sural nerve presents great topographic variability and it is responsible for sensory innervation of the posterolateral side of the distal third of the leg and lateral aspect of the foot. Entrapment of the nerve could be caused by compression due to fascial thickening, while the symptomatology includes sensory alterations and deficits at the nerve distribution area. We report a cadaveric case of a variant sural nerve that presented a distinct entrapment site. A supernumerary sensory branch was encountered originating from the common peroneal nerve, while the peroneal component of the sural nerve was observed to take a course within a fibrous fascial tunnel 3.1 cm in length that caused nerve fixation and flattening. The tension applied to the aforementioned branch was shown to worsen during passive forcible foot plantaflexion and inversion. The etiology, diagnosis and the treatment options are discussed comprehensively.
Cadaver
;
Diagnosis
;
Fascia
;
Foot
;
Leg
;
Peroneal Nerve
;
Sural Nerve*
3.Online educational methods vs. traditional teaching of anatomy during the COVID-19pandemic
Trifon TOTLIS ; Maksim TISHUKOV ; Maria PIAGKOU ; Michael KOSTARES ; Konstantinos NATSIS
Anatomy & Cell Biology 2021;54(3):332-339
Aim of the present study was to determine the impact of the COVID-19 outbreak on anatomy teaching to medical and dental students comparing the traditional anatomy teaching with three remote teaching modalities. A cross-sectional study was conducted among undergraduate medical and dental students of the Aristotle University of Thessaloniki. Four hundred and twenty students who attended anatomy classes during COVID-19 outbreak in Greece, were asked to fill in a questionnaire of 22 questions evaluating the formats of the different courses provided. Each student was asked to complete the questionnaire anonymously via the Google Forms® platform. A total of 200 students participated. During the lockdown, 59.5% of students attended all online anatomy lectures compared to 44.5% in the pre-pandemic year. Overall, the higher percentage of 73.5% was satisfied with the traditional anatomy teaching, instead of 56% which were satisfied with the effectiveness of online anatomy lectures. Asking whether any remote educational method can partially or completely replace the traditional anatomy teaching, the majority of students replied “no” for all the three remote modalities. The traditional anatomy teaching remains the most preferred and effective teaching modality. The students ranked online anatomy lectures and pre-recorded anatomy lectures in second place in terms of effectiveness and preference. The development of remote learning methods has increased students’ active participation in anatomy lessons, but significantly negatively affected the students’ performance at exams. Remote learning cannot replace the traditional anatomy teaching method, but online lectures could be incorporated into anatomy curricula as an additional tool.
4.Online educational methods vs. traditional teaching of anatomy during the COVID-19pandemic
Trifon TOTLIS ; Maksim TISHUKOV ; Maria PIAGKOU ; Michael KOSTARES ; Konstantinos NATSIS
Anatomy & Cell Biology 2021;54(3):332-339
Aim of the present study was to determine the impact of the COVID-19 outbreak on anatomy teaching to medical and dental students comparing the traditional anatomy teaching with three remote teaching modalities. A cross-sectional study was conducted among undergraduate medical and dental students of the Aristotle University of Thessaloniki. Four hundred and twenty students who attended anatomy classes during COVID-19 outbreak in Greece, were asked to fill in a questionnaire of 22 questions evaluating the formats of the different courses provided. Each student was asked to complete the questionnaire anonymously via the Google Forms® platform. A total of 200 students participated. During the lockdown, 59.5% of students attended all online anatomy lectures compared to 44.5% in the pre-pandemic year. Overall, the higher percentage of 73.5% was satisfied with the traditional anatomy teaching, instead of 56% which were satisfied with the effectiveness of online anatomy lectures. Asking whether any remote educational method can partially or completely replace the traditional anatomy teaching, the majority of students replied “no” for all the three remote modalities. The traditional anatomy teaching remains the most preferred and effective teaching modality. The students ranked online anatomy lectures and pre-recorded anatomy lectures in second place in terms of effectiveness and preference. The development of remote learning methods has increased students’ active participation in anatomy lessons, but significantly negatively affected the students’ performance at exams. Remote learning cannot replace the traditional anatomy teaching method, but online lectures could be incorporated into anatomy curricula as an additional tool.
5.Variability in the projection level of the vertebra prominens: a cadaveric study
Trifon TOTLIS ; Andreas SAMMER ; Maria PIAGKOU ; Konstantinos NATSIS ; Panagiotis-Konstantinos EMFIETZIS ; Filippos KARAGEORGOS ; George TSAKOTOS ; George TRIANTAFYLLOU ; Georg FEIGL
Anatomy & Cell Biology 2024;57(3):378-383
The 7th cervical vertebra (C7) is described as having the most prominent spinous process (SP) and is characterized as the “vertebra prominens” (VP) of the cervical spine in anatomy textbooks. The VP is an important anatomical landmark of the neck for clinical examination and therapeutic intervention. The present study identifies the level of the most prominent SP of the cervical and uppermost thoracic vertebrae in a cadaveric cohort. Thirty-nine (23 female and 16 male) cadavers of a mean age of 77.5 years were investigated in a prone position and a certain cervical kyphotic bending. The most prominent SP, at the base of the neck, was palpated and marked with a wedging nail into the SP of the vertebra. The cervical region was dissected, and a blind investigator examined whether the nail was placed into the SP of C7 or the SP of another upper or lower vertebra. In 19 out of 39 cadavers (48.7%), the C7 was identified as the VP (typical anatomy), followed by the C6 (in 14 cadavers, 35.9%), C5 (in 4 cadavers, 10.3%). In 2 cadavers (5.1%) the first thoracic vertebra was identified as having the most prominent SP. Although C7 is described as the VP, in the present study the SP of C7 was the most prominent in less than 50%.The high variable projection level of the most prominent SP of the cervical vertebra holds great clinical significance for spine examination, neck surgery, and spinal anesthesia.
6.Variability in the projection level of the vertebra prominens: a cadaveric study
Trifon TOTLIS ; Andreas SAMMER ; Maria PIAGKOU ; Konstantinos NATSIS ; Panagiotis-Konstantinos EMFIETZIS ; Filippos KARAGEORGOS ; George TSAKOTOS ; George TRIANTAFYLLOU ; Georg FEIGL
Anatomy & Cell Biology 2024;57(3):378-383
The 7th cervical vertebra (C7) is described as having the most prominent spinous process (SP) and is characterized as the “vertebra prominens” (VP) of the cervical spine in anatomy textbooks. The VP is an important anatomical landmark of the neck for clinical examination and therapeutic intervention. The present study identifies the level of the most prominent SP of the cervical and uppermost thoracic vertebrae in a cadaveric cohort. Thirty-nine (23 female and 16 male) cadavers of a mean age of 77.5 years were investigated in a prone position and a certain cervical kyphotic bending. The most prominent SP, at the base of the neck, was palpated and marked with a wedging nail into the SP of the vertebra. The cervical region was dissected, and a blind investigator examined whether the nail was placed into the SP of C7 or the SP of another upper or lower vertebra. In 19 out of 39 cadavers (48.7%), the C7 was identified as the VP (typical anatomy), followed by the C6 (in 14 cadavers, 35.9%), C5 (in 4 cadavers, 10.3%). In 2 cadavers (5.1%) the first thoracic vertebra was identified as having the most prominent SP. Although C7 is described as the VP, in the present study the SP of C7 was the most prominent in less than 50%.The high variable projection level of the most prominent SP of the cervical vertebra holds great clinical significance for spine examination, neck surgery, and spinal anesthesia.
7.Variability in the projection level of the vertebra prominens: a cadaveric study
Trifon TOTLIS ; Andreas SAMMER ; Maria PIAGKOU ; Konstantinos NATSIS ; Panagiotis-Konstantinos EMFIETZIS ; Filippos KARAGEORGOS ; George TSAKOTOS ; George TRIANTAFYLLOU ; Georg FEIGL
Anatomy & Cell Biology 2024;57(3):378-383
The 7th cervical vertebra (C7) is described as having the most prominent spinous process (SP) and is characterized as the “vertebra prominens” (VP) of the cervical spine in anatomy textbooks. The VP is an important anatomical landmark of the neck for clinical examination and therapeutic intervention. The present study identifies the level of the most prominent SP of the cervical and uppermost thoracic vertebrae in a cadaveric cohort. Thirty-nine (23 female and 16 male) cadavers of a mean age of 77.5 years were investigated in a prone position and a certain cervical kyphotic bending. The most prominent SP, at the base of the neck, was palpated and marked with a wedging nail into the SP of the vertebra. The cervical region was dissected, and a blind investigator examined whether the nail was placed into the SP of C7 or the SP of another upper or lower vertebra. In 19 out of 39 cadavers (48.7%), the C7 was identified as the VP (typical anatomy), followed by the C6 (in 14 cadavers, 35.9%), C5 (in 4 cadavers, 10.3%). In 2 cadavers (5.1%) the first thoracic vertebra was identified as having the most prominent SP. Although C7 is described as the VP, in the present study the SP of C7 was the most prominent in less than 50%.The high variable projection level of the most prominent SP of the cervical vertebra holds great clinical significance for spine examination, neck surgery, and spinal anesthesia.
8.Variability in the projection level of the vertebra prominens: a cadaveric study
Trifon TOTLIS ; Andreas SAMMER ; Maria PIAGKOU ; Konstantinos NATSIS ; Panagiotis-Konstantinos EMFIETZIS ; Filippos KARAGEORGOS ; George TSAKOTOS ; George TRIANTAFYLLOU ; Georg FEIGL
Anatomy & Cell Biology 2024;57(3):378-383
The 7th cervical vertebra (C7) is described as having the most prominent spinous process (SP) and is characterized as the “vertebra prominens” (VP) of the cervical spine in anatomy textbooks. The VP is an important anatomical landmark of the neck for clinical examination and therapeutic intervention. The present study identifies the level of the most prominent SP of the cervical and uppermost thoracic vertebrae in a cadaveric cohort. Thirty-nine (23 female and 16 male) cadavers of a mean age of 77.5 years were investigated in a prone position and a certain cervical kyphotic bending. The most prominent SP, at the base of the neck, was palpated and marked with a wedging nail into the SP of the vertebra. The cervical region was dissected, and a blind investigator examined whether the nail was placed into the SP of C7 or the SP of another upper or lower vertebra. In 19 out of 39 cadavers (48.7%), the C7 was identified as the VP (typical anatomy), followed by the C6 (in 14 cadavers, 35.9%), C5 (in 4 cadavers, 10.3%). In 2 cadavers (5.1%) the first thoracic vertebra was identified as having the most prominent SP. Although C7 is described as the VP, in the present study the SP of C7 was the most prominent in less than 50%.The high variable projection level of the most prominent SP of the cervical vertebra holds great clinical significance for spine examination, neck surgery, and spinal anesthesia.
9.A biceps-bicaudatus sartorius muscle:dissection of a variant with possible clinical implications
Konstantinos NATSIS ; Christos KOUTSERIMPAS ; Trifon TOTLIS ; George TRIANTAFYLLOU ; George TSAKOTOS ; Katerina Al NASRAOUI ; Filippos KARAGEORGOS ; Maria PIAGKOU
Anatomy & Cell Biology 2024;57(1):143-146
The current cadaveric report describes an unusual morphology of the sartorius muscle (SM), the biceps-bicaudatus variant. The SM had two (lateral and medial) heads, with distinct tendinous origins from the anterior superior iliac spine.The lateral head was further split into a lateral and a medial bundle. The anterior cutaneous branch of the femoral nerve emerged between the origins of the lateral and medial heads. SM morphological variants are exceedingly uncommon, with only a few documented cases in the literature, and several terms used for their description. Although their rare occurrence, they may play an important role in the differential diagnosis of entrapment syndromes, in cases of neural compressions, such as meralgia paresthetica, while careful dissection during the superficial inter-nervous plane of the direct anterior hip approach is of utmost importance, to avoid adverse effects due to the altered SM morphology.