Juvenile Nasopharyngeal Angiofibroma Staging - Starting From The Introduction This Video Describes The Anatomy Of Sphenopalantine.

Juvenile nasopharyngeal angiofibroma (jna) is a rare and benign but locally aggressive fibrovascular tumor arising from the posterolateral wall of the nasopharynx, which affects mainly young and adolescent males (onset.

Juvenile Nasopharyngeal Angiofibroma Staging. Juvenile nasopharyngeal angiofibroma (jna) is a benign tumor that tends to bleed and occurs in the nasopharynx of prepubertal and adolescent males. Juvenile nasopharyngeal angiofibroma stages i and ii: This review focuses on the different available classifications of juvenile nasopharyngeal angiofibroma (jna) and their impact on the evaluation, management, and. For a discussion of this entity please refer to the parent article: Otolaryngol head neck surg 2004; Different staging systems exist for nasopharyngeal angiofibroma. Juvenile nasopharyngeal angiofibroma (jna) is a highly vascularized, benign neoplasm that almost exclusively affects peripubescent male patients. Nasopharyngeal angiofibroma is a histologically benign but locally aggressive vascular tumor of the nasopharynx that arises from the superior margin of the sphenopalatine foramen and grows in the back of the nasal cavity. Flutamide as a preoperative treatment in juvenile angiofibroma (ja) with intracranial invasion: Juvenile nasopharyngeal angiofibroma (jna) is a histologically benign, locally invasive tumor of the nasopharynx that is found primarily in the pubescent male. Interobserver agreement in cancer staging using computed tomography. Juvenile nasopharyngeal angiofibroma (jna) is a rare, benign, but locally aggressive tumor occurring almost exclusively in adolescent males. Staging of tumors is very important in treatment and surgical decision making, as well as in predicting disease recurrence and prognosis. The two most commonly used are those of sessions and fisch. Jnas originate from the posterior choanal tissues and rapidly extend into the surrounding regions, including the nasopharynx, the orbits, and even the.

Juvenile Nasopharyngeal Angiofibroma Staging - They Are Benign, Locally Invasive Tumors With A Strong Tendency To Recur.

Bjorl Brazilian Journal Of Otorhinolaryngology. Juvenile nasopharyngeal angiofibroma (jna) is a highly vascularized, benign neoplasm that almost exclusively affects peripubescent male patients. For a discussion of this entity please refer to the parent article: Jnas originate from the posterior choanal tissues and rapidly extend into the surrounding regions, including the nasopharynx, the orbits, and even the. Juvenile nasopharyngeal angiofibroma (jna) is a histologically benign, locally invasive tumor of the nasopharynx that is found primarily in the pubescent male. Interobserver agreement in cancer staging using computed tomography. Juvenile nasopharyngeal angiofibroma (jna) is a benign tumor that tends to bleed and occurs in the nasopharynx of prepubertal and adolescent males. The two most commonly used are those of sessions and fisch. This review focuses on the different available classifications of juvenile nasopharyngeal angiofibroma (jna) and their impact on the evaluation, management, and. Otolaryngol head neck surg 2004; Juvenile nasopharyngeal angiofibroma stages i and ii: Juvenile nasopharyngeal angiofibroma (jna) is a rare, benign, but locally aggressive tumor occurring almost exclusively in adolescent males. Nasopharyngeal angiofibroma is a histologically benign but locally aggressive vascular tumor of the nasopharynx that arises from the superior margin of the sphenopalatine foramen and grows in the back of the nasal cavity. Different staging systems exist for nasopharyngeal angiofibroma. Flutamide as a preoperative treatment in juvenile angiofibroma (ja) with intracranial invasion: Staging of tumors is very important in treatment and surgical decision making, as well as in predicting disease recurrence and prognosis.

Juvenile Nasopharyngeal Angiofibroma Radiology Case Radiopaedia Org
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Bei dem juvenilen nasenrachenfibrom (englisch nasopharyngeal angiofibroma, jna) handelt es sich um einen histologisch gutartigen tumor, der vom rachendach ausgeht. Tumor limited to the nasal cavity stage ii: First line = surgical resection. For a discussion of this entity please refer to the parent article: Nasopharyngeal angiofibroma is a histologically benign but locally aggressive vascular tumor of the nasopharynx that arises from the superior margin of the sphenopalatine foramen and grows in the back of the nasal cavity. Juvenile nasopharyngeal angiofibroma (jna) is a histologically benign, locally invasive tumor of the nasopharynx that is found primarily in the pubescent male. Immunostain shows that the tumor is focally positive for ar.

Otolaryngol head neck surg 2004;

Juvenile nasopharyngeal angiofibromas (jnas) are rare tumors that occur almost exclusively among adolescent males. Radiation therapy as an alternative to surgery in the management of intracranial juvenile nasopharyngeal angiofibroma. Nasopharyngeal angiofibroma, 1.8 cm, margin negative for tumor (see comment). Staging of tumors is very important in treatment and surgical decision making, as well as in predicting disease recurrence and prognosis. Juvenile nasopharyngeal angiofibroma, juvenile fibroma, angiofibroma. Bone destruction negligible or limited to the sphenopalatine foramen. • adolescent males • originates: Shaheen in 1930 reported the first female patient with juvenile nasopharyngeal angiofibroma. Tumor limited to the nasal cavity stage ii: • coverage of all stages of juvenile nasopharyngeal angiofibroma, based on a new endoscopic staging system. Flutamide as a preoperative treatment in juvenile angiofibroma (ja) with intracranial invasion: Ct with iv contrast, image guidance protocol. Bei dem juvenilen nasenrachenfibrom (englisch nasopharyngeal angiofibroma, jna) handelt es sich um einen histologisch gutartigen tumor, der vom rachendach ausgeht. Angiofibromas of the postnasal space: Hence, the researcher purposively a total of 30 patients of juvenile nasophryngeal angiofibroma (jna) included in this study from ent department. Juvenile nasopharyngeal angiofibroma (jna) is a rare and benign but locally aggressive fibrovascular tumor arising from the posterolateral wall of the nasopharynx, which affects mainly young and adolescent males (onset. A endoscopic image of a localized angiofibroma located at the sphenopalatine foramen in the left nasopharynx. Different staging systems exist for nasopharyngeal angiofibroma. Interobserver agreement in cancer staging using computed tomography. In the early stages of the disease, patients with juvenile nasopharyngeal angiofibroma might not show any symptoms. Juvenile nasopharyngeal angiofibroma is a rare tumor in adolescent males. Jnas originate from the posterior choanal tissues and rapidly extend into the surrounding regions, including the nasopharynx, the orbits, and even the. A critical appraisal of various therapeutic modalities. The condition is also called juvenile nasopharyngeal what are the symptoms of juvenile nasopharyngeal angiofibroma (jna)? Juvenile nasopharyngeal angiofibroma (jna) is a histologically benign, locally invasive tumor of the nasopharynx that is found primarily in the pubescent male. Juvenile nasopharyngeal angiofibroma (jna) is a highly vascularized, benign neoplasm that almost exclusively affects peripubescent male patients. • comparative genomic hybridisation show genetic imbalances. This retrospective study presents surgically treated patient of juvenile nasopharyngeal angiofibroma. They are benign, locally invasive tumors with a strong tendency to recur. This review focuses on the different available classifications of juvenile nasopharyngeal angiofibroma (jna) and their impact on the evaluation, management, and. Onset of jna is most commonly in the second decade, ranging from 7 to 21 years of age.

Unusual Tumors In Children Oncohema Key - The Typical Patient Is An Adolescent Male With A Clinical History Of Recurrent Epistaxis And Nasal Obstruction.

Juvenile Nasopharyngeal Angiofibroma Our Experience In A Tertiary Hospital. Otolaryngol head neck surg 2004; Nasopharyngeal angiofibroma is a histologically benign but locally aggressive vascular tumor of the nasopharynx that arises from the superior margin of the sphenopalatine foramen and grows in the back of the nasal cavity. Flutamide as a preoperative treatment in juvenile angiofibroma (ja) with intracranial invasion: Jnas originate from the posterior choanal tissues and rapidly extend into the surrounding regions, including the nasopharynx, the orbits, and even the. Interobserver agreement in cancer staging using computed tomography. Juvenile nasopharyngeal angiofibroma stages i and ii: Juvenile nasopharyngeal angiofibroma (jna) is a histologically benign, locally invasive tumor of the nasopharynx that is found primarily in the pubescent male. The two most commonly used are those of sessions and fisch. Different staging systems exist for nasopharyngeal angiofibroma. Staging of tumors is very important in treatment and surgical decision making, as well as in predicting disease recurrence and prognosis. This review focuses on the different available classifications of juvenile nasopharyngeal angiofibroma (jna) and their impact on the evaluation, management, and. Juvenile nasopharyngeal angiofibroma (jna) is a highly vascularized, benign neoplasm that almost exclusively affects peripubescent male patients. Juvenile nasopharyngeal angiofibroma (jna) is a rare, benign, but locally aggressive tumor occurring almost exclusively in adolescent males. For a discussion of this entity please refer to the parent article: Juvenile nasopharyngeal angiofibroma (jna) is a benign tumor that tends to bleed and occurs in the nasopharynx of prepubertal and adolescent males.

Two Types Of Lateral Extension In Juvenile Nasopharyngeal Angiofibroma Diagnostic And Therapeutic Management Topic Of Research Paper In Clinical Medicine Download Scholarly Article Pdf And Read For Free On Cyberleninka Open : Juvenile Nasopharyngeal Angiofibroma (Jna) Is A Rare, Benign, But Locally Aggressive Tumor Occurring Almost Exclusively In Adolescent Males.

Orbital Involvement In Juvenile Nasopharyngeal Angiofibroma Ophthalmic Plastic Reconstructive Surgery. Different staging systems exist for nasopharyngeal angiofibroma. Interobserver agreement in cancer staging using computed tomography. Juvenile nasopharyngeal angiofibroma (jna) is a rare, benign, but locally aggressive tumor occurring almost exclusively in adolescent males. Juvenile nasopharyngeal angiofibroma stages i and ii: Juvenile nasopharyngeal angiofibroma (jna) is a highly vascularized, benign neoplasm that almost exclusively affects peripubescent male patients. This review focuses on the different available classifications of juvenile nasopharyngeal angiofibroma (jna) and their impact on the evaluation, management, and. Jnas originate from the posterior choanal tissues and rapidly extend into the surrounding regions, including the nasopharynx, the orbits, and even the. Otolaryngol head neck surg 2004; Flutamide as a preoperative treatment in juvenile angiofibroma (ja) with intracranial invasion: For a discussion of this entity please refer to the parent article:

Bjorl Brazilian Journal Of Otorhinolaryngology - Posterior nasal + nasopharyngeal area • biologically aggressive / expansive growth • histology

Juvenile Nasopharyngeal Angiofibroma Ppt Video Online Download. Juvenile nasopharyngeal angiofibroma (jna) is a rare, benign, but locally aggressive tumor occurring almost exclusively in adolescent males. Juvenile nasopharyngeal angiofibroma (jna) is a histologically benign, locally invasive tumor of the nasopharynx that is found primarily in the pubescent male. Juvenile nasopharyngeal angiofibroma (jna) is a highly vascularized, benign neoplasm that almost exclusively affects peripubescent male patients. This review focuses on the different available classifications of juvenile nasopharyngeal angiofibroma (jna) and their impact on the evaluation, management, and. Nasopharyngeal angiofibroma is a histologically benign but locally aggressive vascular tumor of the nasopharynx that arises from the superior margin of the sphenopalatine foramen and grows in the back of the nasal cavity. The two most commonly used are those of sessions and fisch. Juvenile nasopharyngeal angiofibroma stages i and ii: Staging of tumors is very important in treatment and surgical decision making, as well as in predicting disease recurrence and prognosis. Flutamide as a preoperative treatment in juvenile angiofibroma (ja) with intracranial invasion: Interobserver agreement in cancer staging using computed tomography. Jnas originate from the posterior choanal tissues and rapidly extend into the surrounding regions, including the nasopharynx, the orbits, and even the. For a discussion of this entity please refer to the parent article: Different staging systems exist for nasopharyngeal angiofibroma. Otolaryngol head neck surg 2004; Juvenile nasopharyngeal angiofibroma (jna) is a benign tumor that tends to bleed and occurs in the nasopharynx of prepubertal and adolescent males.

Juvenile Nasopharyngeal Angiofibr Preview Related Info Mendeley : Juvenile Nasopharyngeal Angiofibroma (Jna) Is A Highly Vascularized, Benign Neoplasm That Almost Exclusively Affects Peripubescent Male Patients.

Gale Academic Onefile Document Transnasal Endoscopic Resection Of Juvenile Nasopharyngeal Angiofibroma Without Preoperative Embolization. Flutamide as a preoperative treatment in juvenile angiofibroma (ja) with intracranial invasion: Different staging systems exist for nasopharyngeal angiofibroma. Juvenile nasopharyngeal angiofibroma (jna) is a rare, benign, but locally aggressive tumor occurring almost exclusively in adolescent males. Otolaryngol head neck surg 2004; For a discussion of this entity please refer to the parent article: Juvenile nasopharyngeal angiofibroma stages i and ii: This review focuses on the different available classifications of juvenile nasopharyngeal angiofibroma (jna) and their impact on the evaluation, management, and. Juvenile nasopharyngeal angiofibroma (jna) is a histologically benign, locally invasive tumor of the nasopharynx that is found primarily in the pubescent male. Staging of tumors is very important in treatment and surgical decision making, as well as in predicting disease recurrence and prognosis. Jnas originate from the posterior choanal tissues and rapidly extend into the surrounding regions, including the nasopharynx, the orbits, and even the. Juvenile nasopharyngeal angiofibroma (jna) is a highly vascularized, benign neoplasm that almost exclusively affects peripubescent male patients. Juvenile nasopharyngeal angiofibroma (jna) is a benign tumor that tends to bleed and occurs in the nasopharynx of prepubertal and adolescent males. Nasopharyngeal angiofibroma is a histologically benign but locally aggressive vascular tumor of the nasopharynx that arises from the superior margin of the sphenopalatine foramen and grows in the back of the nasal cavity. Interobserver agreement in cancer staging using computed tomography. The two most commonly used are those of sessions and fisch.

Nasopharyngeal Angiofibroma Wikipedia . Flutamide As A Preoperative Treatment In Juvenile Angiofibroma (Ja) With Intracranial Invasion:

Table 2 From Juvenile Nasopharyngeal Angiofibroma Semantic Scholar. Juvenile nasopharyngeal angiofibroma (jna) is a highly vascularized, benign neoplasm that almost exclusively affects peripubescent male patients. Juvenile nasopharyngeal angiofibroma (jna) is a rare, benign, but locally aggressive tumor occurring almost exclusively in adolescent males. Jnas originate from the posterior choanal tissues and rapidly extend into the surrounding regions, including the nasopharynx, the orbits, and even the. Juvenile nasopharyngeal angiofibroma (jna) is a histologically benign, locally invasive tumor of the nasopharynx that is found primarily in the pubescent male. Different staging systems exist for nasopharyngeal angiofibroma. Staging of tumors is very important in treatment and surgical decision making, as well as in predicting disease recurrence and prognosis. Interobserver agreement in cancer staging using computed tomography. Juvenile nasopharyngeal angiofibroma (jna) is a benign tumor that tends to bleed and occurs in the nasopharynx of prepubertal and adolescent males. This review focuses on the different available classifications of juvenile nasopharyngeal angiofibroma (jna) and their impact on the evaluation, management, and. Flutamide as a preoperative treatment in juvenile angiofibroma (ja) with intracranial invasion: Juvenile nasopharyngeal angiofibroma stages i and ii: Otolaryngol head neck surg 2004; Nasopharyngeal angiofibroma is a histologically benign but locally aggressive vascular tumor of the nasopharynx that arises from the superior margin of the sphenopalatine foramen and grows in the back of the nasal cavity. For a discussion of this entity please refer to the parent article: The two most commonly used are those of sessions and fisch.

Comprehensive Preoperative Staging System For Endoscopic Single And Multicorridor Approaches To Juvenile Nasal Angiofibromas Surgical Neurology International : Angiofibroma, Juvenile Angiofibroma, Juvenile Nasopharyngeal Angiofibroma, (Jna).

Juvenile Nasopharyngeal Angiofibroma Our Experience In A Tertiary Hospital. Juvenile nasopharyngeal angiofibroma (jna) is a rare, benign, but locally aggressive tumor occurring almost exclusively in adolescent males. Juvenile nasopharyngeal angiofibroma (jna) is a histologically benign, locally invasive tumor of the nasopharynx that is found primarily in the pubescent male. For a discussion of this entity please refer to the parent article: Different staging systems exist for nasopharyngeal angiofibroma. The two most commonly used are those of sessions and fisch. Juvenile nasopharyngeal angiofibroma (jna) is a benign tumor that tends to bleed and occurs in the nasopharynx of prepubertal and adolescent males. Otolaryngol head neck surg 2004; Juvenile nasopharyngeal angiofibroma stages i and ii: Staging of tumors is very important in treatment and surgical decision making, as well as in predicting disease recurrence and prognosis. Nasopharyngeal angiofibroma is a histologically benign but locally aggressive vascular tumor of the nasopharynx that arises from the superior margin of the sphenopalatine foramen and grows in the back of the nasal cavity. Interobserver agreement in cancer staging using computed tomography. Juvenile nasopharyngeal angiofibroma (jna) is a highly vascularized, benign neoplasm that almost exclusively affects peripubescent male patients. Flutamide as a preoperative treatment in juvenile angiofibroma (ja) with intracranial invasion: Jnas originate from the posterior choanal tissues and rapidly extend into the surrounding regions, including the nasopharynx, the orbits, and even the. This review focuses on the different available classifications of juvenile nasopharyngeal angiofibroma (jna) and their impact on the evaluation, management, and.

Andrews Classification Of Juvenile Nasopharyngeal Angiofibroma 8 Download Table . Surgical Resection, When Possible, Is Considered The Treatment Of Choice.

Hemostasis During Endoscopic Sinus And Skull Base Surgery. Otolaryngol head neck surg 2004; Jnas originate from the posterior choanal tissues and rapidly extend into the surrounding regions, including the nasopharynx, the orbits, and even the. Nasopharyngeal angiofibroma is a histologically benign but locally aggressive vascular tumor of the nasopharynx that arises from the superior margin of the sphenopalatine foramen and grows in the back of the nasal cavity. Juvenile nasopharyngeal angiofibroma (jna) is a benign tumor that tends to bleed and occurs in the nasopharynx of prepubertal and adolescent males. Juvenile nasopharyngeal angiofibroma (jna) is a highly vascularized, benign neoplasm that almost exclusively affects peripubescent male patients. Interobserver agreement in cancer staging using computed tomography. Different staging systems exist for nasopharyngeal angiofibroma. Juvenile nasopharyngeal angiofibroma (jna) is a histologically benign, locally invasive tumor of the nasopharynx that is found primarily in the pubescent male. Flutamide as a preoperative treatment in juvenile angiofibroma (ja) with intracranial invasion: Staging of tumors is very important in treatment and surgical decision making, as well as in predicting disease recurrence and prognosis. Juvenile nasopharyngeal angiofibroma stages i and ii: This review focuses on the different available classifications of juvenile nasopharyngeal angiofibroma (jna) and their impact on the evaluation, management, and. The two most commonly used are those of sessions and fisch. Juvenile nasopharyngeal angiofibroma (jna) is a rare, benign, but locally aggressive tumor occurring almost exclusively in adolescent males. For a discussion of this entity please refer to the parent article:

Nasoangiofibroma Juvenil Concordancia Interobservadores No Estadiamento Por Tomografia Computadorizada : Interobserver Agreement In Cancer Staging Using Computed Tomography.

Journal Of Otolaryngology Open Access Journals. Interobserver agreement in cancer staging using computed tomography. The two most commonly used are those of sessions and fisch. Juvenile nasopharyngeal angiofibroma (jna) is a rare, benign, but locally aggressive tumor occurring almost exclusively in adolescent males. Different staging systems exist for nasopharyngeal angiofibroma. Flutamide as a preoperative treatment in juvenile angiofibroma (ja) with intracranial invasion: Juvenile nasopharyngeal angiofibroma (jna) is a benign tumor that tends to bleed and occurs in the nasopharynx of prepubertal and adolescent males. This review focuses on the different available classifications of juvenile nasopharyngeal angiofibroma (jna) and their impact on the evaluation, management, and. Juvenile nasopharyngeal angiofibroma (jna) is a highly vascularized, benign neoplasm that almost exclusively affects peripubescent male patients. Otolaryngol head neck surg 2004; Juvenile nasopharyngeal angiofibroma stages i and ii: Juvenile nasopharyngeal angiofibroma (jna) is a histologically benign, locally invasive tumor of the nasopharynx that is found primarily in the pubescent male. Nasopharyngeal angiofibroma is a histologically benign but locally aggressive vascular tumor of the nasopharynx that arises from the superior margin of the sphenopalatine foramen and grows in the back of the nasal cavity. Jnas originate from the posterior choanal tissues and rapidly extend into the surrounding regions, including the nasopharynx, the orbits, and even the. For a discussion of this entity please refer to the parent article: Staging of tumors is very important in treatment and surgical decision making, as well as in predicting disease recurrence and prognosis.

Surgical Management Of Juvenile Nasopharyngeal Angiofibroma Sciencedirect : Interobserver Agreement In Cancer Staging Using Computed Tomography.

Gale Academic Onefile Document Transnasal Endoscopic Resection Of Juvenile Nasopharyngeal Angiofibroma Without Preoperative Embolization. Juvenile nasopharyngeal angiofibroma (jna) is a histologically benign, locally invasive tumor of the nasopharynx that is found primarily in the pubescent male. The two most commonly used are those of sessions and fisch. Interobserver agreement in cancer staging using computed tomography. Nasopharyngeal angiofibroma is a histologically benign but locally aggressive vascular tumor of the nasopharynx that arises from the superior margin of the sphenopalatine foramen and grows in the back of the nasal cavity. Different staging systems exist for nasopharyngeal angiofibroma. Juvenile nasopharyngeal angiofibroma stages i and ii: For a discussion of this entity please refer to the parent article: Juvenile nasopharyngeal angiofibroma (jna) is a benign tumor that tends to bleed and occurs in the nasopharynx of prepubertal and adolescent males. Jnas originate from the posterior choanal tissues and rapidly extend into the surrounding regions, including the nasopharynx, the orbits, and even the. Staging of tumors is very important in treatment and surgical decision making, as well as in predicting disease recurrence and prognosis. Otolaryngol head neck surg 2004; Flutamide as a preoperative treatment in juvenile angiofibroma (ja) with intracranial invasion: Juvenile nasopharyngeal angiofibroma (jna) is a highly vascularized, benign neoplasm that almost exclusively affects peripubescent male patients. Juvenile nasopharyngeal angiofibroma (jna) is a rare, benign, but locally aggressive tumor occurring almost exclusively in adolescent males. This review focuses on the different available classifications of juvenile nasopharyngeal angiofibroma (jna) and their impact on the evaluation, management, and.

Patterns Of Vascularization And Surgical Morbidity In Juvenile Nasopharyngeal Angiofibroma A Case Series Systematic Review And Meta Analysis Overdevest 2018 Head Amp Neck Wiley Online Library . Juvenile Angiofibroma Is A Rare Benign Lesion Originating From The Pterygopalatine Fossa With Distinctive Epidemiologic Features And Growth Patterns.

Juvenile Nasophryngeal Angiofibroma New Aspects In Management. Otolaryngol head neck surg 2004; Flutamide as a preoperative treatment in juvenile angiofibroma (ja) with intracranial invasion: Juvenile nasopharyngeal angiofibroma (jna) is a benign tumor that tends to bleed and occurs in the nasopharynx of prepubertal and adolescent males. Juvenile nasopharyngeal angiofibroma stages i and ii: Different staging systems exist for nasopharyngeal angiofibroma. Nasopharyngeal angiofibroma is a histologically benign but locally aggressive vascular tumor of the nasopharynx that arises from the superior margin of the sphenopalatine foramen and grows in the back of the nasal cavity. Juvenile nasopharyngeal angiofibroma (jna) is a highly vascularized, benign neoplasm that almost exclusively affects peripubescent male patients. The two most commonly used are those of sessions and fisch. This review focuses on the different available classifications of juvenile nasopharyngeal angiofibroma (jna) and their impact on the evaluation, management, and. For a discussion of this entity please refer to the parent article: Jnas originate from the posterior choanal tissues and rapidly extend into the surrounding regions, including the nasopharynx, the orbits, and even the. Juvenile nasopharyngeal angiofibroma (jna) is a histologically benign, locally invasive tumor of the nasopharynx that is found primarily in the pubescent male. Staging of tumors is very important in treatment and surgical decision making, as well as in predicting disease recurrence and prognosis. Interobserver agreement in cancer staging using computed tomography. Juvenile nasopharyngeal angiofibroma (jna) is a rare, benign, but locally aggressive tumor occurring almost exclusively in adolescent males.