Urology Book


Inguinal Canal Exam

Aka: Inguinal Canal Exam, Inguinal Canal, Internal Inguinal Ring, Deep Inguinal Ring, External Inguinal Ring, Superficial Inguinal Ring
  1. Indications
    1. Male Genital Exam
    2. Inguinal Hernia evaluation (men and women)
  2. Anatomy
    1. See also Hesselbach's Triangle
    2. Inguinal Canal components
      1. Internal Inguinal Ring
        1. Lateral to inferior epigastrics
        2. Landmark: Middle of inguinal ligament
      2. Canal
        1. Carries spermatic cord in men
        2. Carries round ligament in women
      3. External Inguinal Ring
        1. Located at pubic tubercle
        2. Occurs just above inguinal ligament
        3. Medial and inferior to Internal Inguinal Ring
  3. Exam: Technique for Inguinal Canal palpation in men
    1. Place fingertip at most dependent portion of Scrotum
    2. Invaginate scrotal wall to External Inguinal Ring
    3. Gently insert finger into canal along spermatic cord
      1. Move finger laterally and cephalad
      2. Patient coughs, strains or performs Valsalva Maneuver
  4. Findings
    1. Inguinal Hernia
      1. Small Indirect Hernia may slightly tap end of finger
      2. Large Indirect Hernia may be palpable as mass
      3. Direct Inguinal Hernia may be felt on pad of finger
    2. Spermatic cord tenderness (Funiculitis)
    3. Spermatic cord Lipoma
    4. Hydrocele

Inguinal canal structure (C0021445)

Definition (MSHCZE) Průchod v dolní přední části BŘIŠNÍ STĚNY, kterým sestupuje u mužů FUNICULUS SPERMATICUS a u žen LIGAMENTUM ARCUATUM PUBIS včetně nervů a cév. Jeho vnitřní okraj začíná hlouběji v břiše jako vnitřní tříselný prstenec a končí vnějším tříselným prstencem (při okraji stehna).
Definition (NCI) The oblique anatomic tunnel in the anterior lower abdomen. In males it conveys the spermatic cord structures and is the passage through which the testes descend into the scrotum; in females it conveys the round ligament.
Definition (MSH) The tunnel in the lower anterior ABDOMINAL WALL through which the SPERMATIC CORD, in the male; ROUND LIGAMENT, in the female; nerves; and vessels pass. Its internal end is at the deep inguinal ring and its external end is at the superficial inguinal ring.
Concepts Body Location or Region (T029)
MSH D007264
SnomedCT 90785001
English Canal, Inguinal, Canals, Inguinal, Inguinal Canal, Inguinal Canals, Canalis inguinalis, canalis inguinalis, canal inguinal, inguinal canal, Inguinal canal, Inguinal canal structure (body structure), Inguinal canal structure, Inguinal canal, NOS
Spanish Conducto Inguinal, estructura del canal inguinal, estructura del canal inguinal (estructura corporal), conducto inguinal, estructura del conducto inguinal, canal inguinal, estructura del conducto inguinal (estructura corporal), Canal Inguinal
Swedish Ljumskkanal
Czech ingvinální kanál
Finnish Nivuskanava
Japanese 鼠径管
Latvian Cirkšņa kanāls
Polish Kanał pachwinowy
Norwegian Ingvinalkanal, Canalis inguinalis
French Canal inguinal
German Leistenkanal
Italian Canale inguinale
Dutch Canalis inguinalis, Lieskanaal
Portuguese Canal Inguinal
Derived from the NIH UMLS (Unified Medical Language System)

Superficial inguinal ring structure (C0225227)

Definition (NCI) An opening in the aponeurosis of the external oblique muscle of the abdominal wall through which the spermatic cord (males), round ligament (females), ilioinguinal nerve, and genitofemoral nerve's genital branch pass.
Concepts Body Part, Organ, or Organ Component (T023)
SnomedCT 60325008
English Anulus inguinalis superficialis, Superficial Inguinal Ring, Superficial inguinal ring, Superficial inguinal ring structure (body structure), Superficial inguinal ring structure, External Abdominal Ring
Spanish anillo inguinal superficial, estructura del anillo inguinal superficial (estructura corporal), estructura del anillo inguinal superficial
Derived from the NIH UMLS (Unified Medical Language System)

Structure of deep inguinal ring (C0225231)

Concepts Body Part, Organ, or Organ Component (T023)
SnomedCT 7296001
English Anulus inguinalis profundus, deep inguinal ring, Deep inguinal ring, Structure of deep inguinal ring (body structure), Structure of deep inguinal ring
Spanish anillo inguinal profundo, estructura del anillo inguinal profundo (estructura corporal), estructura del anillo inguinal profundo
Derived from the NIH UMLS (Unified Medical Language System)

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